Attachment 686510 Details for Bug 903497 – File: backtrace

File: backtrace

backtrace (text/plain), 849.92 KB, created by redhat on 2013-01-24 07:52:58 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: redhat

Created: 2013-01-24 07:52:58 UTC

Size: 849.92 KB

patch

obsolete

>[New LWP 5006]
>Core was generated by `bash'.
>Program terminated with signal 11, Segmentation fault.
>#0  0x000000000042aeb9 in alloc_word_desc () at make_cmd.c:93
>93	  ocache_alloc (wdcache, WORD_DESC, temp);
>
>Thread 1 (LWP 5006):
>#0  0x000000000042aeb9 in alloc_word_desc () at make_cmd.c:93
>        temp = <optimized out>
>#1  0x000000000042aef6 in make_bare_word (string=0x2c0da90 "locate") at make_cmd.c:105
>        temp = <optimized out>
>#2  0x000000000043b1dc in copy_word (w=0x2c0d8b0) at copy_cmd.c:61
>        new_word = 0x0
>#3  0x000000000043b279 in copy_word_list (list=list@entry=0x2c0d8f0) at copy_cmd.c:75
>        new_list = <optimized out>
>#4  0x0000000000451b80 in expand_word_list_internal (list=list@entry=0x2c0d8f0, eflags=eflags@entry=31) at subst.c:9313
>        new_list = <optimized out>
>        temp_list = <optimized out>
>        tint = <optimized out>
>#5  0x00000000004524aa in expand_words (list=list@entry=0x2c0d8f0) at subst.c:8980
>No locals.
>#6  0x0000000000430cee in execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3787
>        words = <optimized out>
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = <optimized out>
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = 0
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = <optimized out>
>        func = <optimized out>
>        old_builtin = <optimized out>
>        old_command_builtin = <optimized out>
>#7  0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2c0da60) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#8  execute_command_internal (command=0x2c0da60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#9  0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2c0da30) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#10 execute_command_internal (command=0x2c0da30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#11 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2c0d950) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2c0da30
>        save_current = 0x2c0d3d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2c0da30
>#12 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2c0d950) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#13 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2c0d950
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2c0d930 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#14 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2c0d3d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#15 execute_command_internal (command=0x2c0d3d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#16 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2c0d3a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#17 execute_command_internal (command=0x2c0d3a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#18 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2c0d2c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2c0d3a0
>        save_current = 0x2c0cd40
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2c0d3a0
>#19 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2c0d2c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#20 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2c0d2c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2c0d2a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#21 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2c0cd40) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#22 execute_command_internal (command=0x2c0cd40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#23 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2c0cd10) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#24 execute_command_internal (command=0x2c0cd10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#25 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2c0cc30) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2c0cd10
>        save_current = 0x2bf3920
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2c0cd10
>#26 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2c0cc30) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#27 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2c0cc30
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2c0cc10 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#28 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf3920) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#29 execute_command_internal (command=0x2bf3920, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#30 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf38f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#31 execute_command_internal (command=0x2bf38f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#32 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf3810) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf38f0
>        save_current = 0x2bf3290
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf38f0
>#33 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf3810) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#34 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf3810
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf37f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#35 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf3290) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#36 execute_command_internal (command=0x2bf3290, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#37 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf3260) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#38 execute_command_internal (command=0x2bf3260, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#39 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf3180) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf3260
>        save_current = 0x2bf2c00
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf3260
>#40 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf3180) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#41 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf3180
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf3160 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#42 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf2c00) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#43 execute_command_internal (command=0x2bf2c00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#44 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf2bd0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#45 execute_command_internal (command=0x2bf2bd0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#46 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf2af0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf2bd0
>        save_current = 0x2bf2570
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf2bd0
>#47 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf2af0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#48 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf2af0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf2ad0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#49 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf2570) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#50 execute_command_internal (command=0x2bf2570, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#51 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf2540) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#52 execute_command_internal (command=0x2bf2540, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#53 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf2460) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf2540
>        save_current = 0x2bf1ee0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf2540
>#54 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf2460) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#55 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf2460
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf2440 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#56 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf1ee0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#57 execute_command_internal (command=0x2bf1ee0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#58 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf1eb0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#59 execute_command_internal (command=0x2bf1eb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#60 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf1dd0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf1eb0
>        save_current = 0x2bf1850
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf1eb0
>#61 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf1dd0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#62 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf1dd0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf1db0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#63 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf1850) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#64 execute_command_internal (command=0x2bf1850, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#65 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf1820) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#66 execute_command_internal (command=0x2bf1820, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#67 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf1740) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf1820
>        save_current = 0x2bf11c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf1820
>#68 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf1740) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#69 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf1740
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf1720 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#70 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf11c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#71 execute_command_internal (command=0x2bf11c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#72 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf1190) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#73 execute_command_internal (command=0x2bf1190, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#74 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf10b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf1190
>        save_current = 0x2bf0b30
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf1190
>#75 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf10b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#76 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf10b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf1090 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#77 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf0b30) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#78 execute_command_internal (command=0x2bf0b30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#79 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf0b00) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#80 execute_command_internal (command=0x2bf0b00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#81 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf0a20) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf0b00
>        save_current = 0x2bf04a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf0b00
>#82 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf0a20) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#83 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf0a20
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf0a00 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#84 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf04a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#85 execute_command_internal (command=0x2bf04a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#86 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf0470) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#87 execute_command_internal (command=0x2bf0470, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#88 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf0390) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf0470
>        save_current = 0x2befe10
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf0470
>#89 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf0390) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#90 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf0390
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf0370 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#91 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2befe10) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#92 execute_command_internal (command=0x2befe10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#93 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2befde0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#94 execute_command_internal (command=0x2befde0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#95 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2befd00) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2befde0
>        save_current = 0x2bef780
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2befde0
>#96 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2befd00) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#97 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2befd00
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2befce0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#98 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bef780) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#99 execute_command_internal (command=0x2bef780, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#100 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bef750) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#101 execute_command_internal (command=0x2bef750, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#102 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bef670) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bef750
>        save_current = 0x2bef0f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bef750
>#103 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bef670) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#104 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bef670
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bef650 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#105 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bef0f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#106 execute_command_internal (command=0x2bef0f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#107 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bef0c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#108 execute_command_internal (command=0x2bef0c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#109 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2beefe0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bef0c0
>        save_current = 0x2beea60
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bef0c0
>#110 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2beefe0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#111 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2beefe0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2beefc0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#112 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2beea60) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#113 execute_command_internal (command=0x2beea60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#114 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2beea30) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#115 execute_command_internal (command=0x2beea30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#116 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bee950) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2beea30
>        save_current = 0x2bee3d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2beea30
>#117 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bee950) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#118 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bee950
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bee930 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#119 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bee3d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#120 execute_command_internal (command=0x2bee3d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#121 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bee3a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#122 execute_command_internal (command=0x2bee3a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#123 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bee2c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bee3a0
>        save_current = 0x2bedd40
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bee3a0
>#124 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bee2c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#125 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bee2c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bee2a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#126 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bedd40) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#127 execute_command_internal (command=0x2bedd40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#128 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bedd10) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#129 execute_command_internal (command=0x2bedd10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#130 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bedc30) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bedd10
>        save_current = 0x2bed6b0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bedd10
>#131 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bedc30) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#132 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bedc30
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bedc10 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#133 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bed6b0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#134 execute_command_internal (command=0x2bed6b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#135 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bed680) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#136 execute_command_internal (command=0x2bed680, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#137 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bed5a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bed680
>        save_current = 0x2bed020
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bed680
>#138 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bed5a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#139 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bed5a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bed580 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#140 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bed020) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#141 execute_command_internal (command=0x2bed020, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#142 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2becff0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#143 execute_command_internal (command=0x2becff0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#144 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2becf10) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2becff0
>        save_current = 0x2bec990
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2becff0
>#145 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2becf10) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#146 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2becf10
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2becef0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#147 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bec990) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#148 execute_command_internal (command=0x2bec990, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#149 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bec960) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#150 execute_command_internal (command=0x2bec960, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#151 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bec880) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bec960
>        save_current = 0x2bec300
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bec960
>#152 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bec880) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#153 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bec880
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bec860 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#154 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bec300) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#155 execute_command_internal (command=0x2bec300, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#156 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bec2d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#157 execute_command_internal (command=0x2bec2d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#158 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bec1f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bec2d0
>        save_current = 0x2bebc70
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bec2d0
>#159 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bec1f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#160 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bec1f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bec1d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#161 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bebc70) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#162 execute_command_internal (command=0x2bebc70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#163 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bebc40) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#164 execute_command_internal (command=0x2bebc40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#165 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bebb60) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bebc40
>        save_current = 0x2beb5e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bebc40
>#166 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bebb60) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#167 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bebb60
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bebb40 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#168 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2beb5e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#169 execute_command_internal (command=0x2beb5e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#170 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2beb5b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#171 execute_command_internal (command=0x2beb5b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#172 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2beb4d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2beb5b0
>        save_current = 0x2beaf50
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2beb5b0
>#173 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2beb4d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#174 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2beb4d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2beb4b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#175 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2beaf50) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#176 execute_command_internal (command=0x2beaf50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#177 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2beaf20) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#178 execute_command_internal (command=0x2beaf20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#179 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2beae40) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2beaf20
>        save_current = 0x2bea8c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2beaf20
>#180 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2beae40) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#181 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2beae40
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2beae20 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#182 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bea8c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#183 execute_command_internal (command=0x2bea8c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#184 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bea890) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#185 execute_command_internal (command=0x2bea890, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#186 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bea7b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bea890
>        save_current = 0x2bea230
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bea890
>#187 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bea7b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#188 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bea7b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bea790 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#189 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bea230) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#190 execute_command_internal (command=0x2bea230, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#191 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bea200) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#192 execute_command_internal (command=0x2bea200, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#193 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bea120) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bea200
>        save_current = 0x2be9ba0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bea200
>#194 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bea120) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#195 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bea120
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bea100 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#196 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be9ba0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#197 execute_command_internal (command=0x2be9ba0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#198 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be9b70) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#199 execute_command_internal (command=0x2be9b70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#200 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be9a90) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be9b70
>        save_current = 0x2be9510
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be9b70
>#201 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be9a90) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#202 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be9a90
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be9a70 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#203 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be9510) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#204 execute_command_internal (command=0x2be9510, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#205 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be94e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#206 execute_command_internal (command=0x2be94e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#207 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be9400) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be94e0
>        save_current = 0x2be8e80
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be94e0
>#208 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be9400) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#209 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be9400
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be93e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#210 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be8e80) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#211 execute_command_internal (command=0x2be8e80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#212 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be8e50) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#213 execute_command_internal (command=0x2be8e50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#214 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be8d70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be8e50
>        save_current = 0x2be87f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be8e50
>#215 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be8d70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#216 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be8d70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be8d50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#217 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be87f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#218 execute_command_internal (command=0x2be87f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#219 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be87c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#220 execute_command_internal (command=0x2be87c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#221 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be86e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be87c0
>        save_current = 0x2be8160
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be87c0
>#222 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be86e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#223 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be86e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be86c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#224 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be8160) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#225 execute_command_internal (command=0x2be8160, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#226 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be8130) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#227 execute_command_internal (command=0x2be8130, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#228 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be8050) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be8130
>        save_current = 0x2be7ad0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be8130
>#229 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be8050) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#230 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be8050
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be8030 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#231 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be7ad0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#232 execute_command_internal (command=0x2be7ad0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#233 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be7aa0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#234 execute_command_internal (command=0x2be7aa0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#235 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be79c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be7aa0
>        save_current = 0x2be7440
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be7aa0
>#236 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be79c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#237 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be79c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be79a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#238 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be7440) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#239 execute_command_internal (command=0x2be7440, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#240 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be7410) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#241 execute_command_internal (command=0x2be7410, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#242 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be7330) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be7410
>        save_current = 0x2be6db0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be7410
>#243 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be7330) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#244 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be7330
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be7310 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#245 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be6db0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#246 execute_command_internal (command=0x2be6db0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#247 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be6d80) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#248 execute_command_internal (command=0x2be6d80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#249 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be6ca0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be6d80
>        save_current = 0x2be6720
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be6d80
>#250 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be6ca0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#251 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be6ca0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be6c80 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#252 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be6720) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#253 execute_command_internal (command=0x2be6720, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#254 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be66f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#255 execute_command_internal (command=0x2be66f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#256 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be6610) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be66f0
>        save_current = 0x2be6090
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be66f0
>#257 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be6610) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#258 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be6610
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be65f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#259 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be6090) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#260 execute_command_internal (command=0x2be6090, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#261 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be6060) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#262 execute_command_internal (command=0x2be6060, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#263 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be5f80) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be6060
>        save_current = 0x2be5a00
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be6060
>#264 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be5f80) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#265 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be5f80
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be5f60 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#266 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be5a00) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#267 execute_command_internal (command=0x2be5a00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#268 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be59d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#269 execute_command_internal (command=0x2be59d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#270 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be58f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be59d0
>        save_current = 0x2be5370
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be59d0
>#271 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be58f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#272 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be58f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be58d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#273 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be5370) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#274 execute_command_internal (command=0x2be5370, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#275 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be5340) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#276 execute_command_internal (command=0x2be5340, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#277 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be5260) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be5340
>        save_current = 0x2be4ce0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be5340
>#278 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be5260) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#279 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be5260
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be5240 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#280 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be4ce0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#281 execute_command_internal (command=0x2be4ce0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#282 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be4cb0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#283 execute_command_internal (command=0x2be4cb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#284 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be4bd0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be4cb0
>        save_current = 0x2be4650
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be4cb0
>#285 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be4bd0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#286 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be4bd0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be4bb0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#287 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be4650) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#288 execute_command_internal (command=0x2be4650, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#289 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be4620) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#290 execute_command_internal (command=0x2be4620, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#291 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be4540) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be4620
>        save_current = 0x2be3fc0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be4620
>#292 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be4540) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#293 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be4540
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be4520 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#294 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be3fc0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#295 execute_command_internal (command=0x2be3fc0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#296 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be3f90) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#297 execute_command_internal (command=0x2be3f90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#298 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be3eb0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be3f90
>        save_current = 0x2be3930
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be3f90
>#299 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be3eb0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#300 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be3eb0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be3e90 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#301 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be3930) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#302 execute_command_internal (command=0x2be3930, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#303 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be3900) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#304 execute_command_internal (command=0x2be3900, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#305 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be3820) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be3900
>        save_current = 0x2be32a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be3900
>#306 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be3820) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#307 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be3820
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be3800 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#308 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be32a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#309 execute_command_internal (command=0x2be32a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#310 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be3270) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#311 execute_command_internal (command=0x2be3270, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#312 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be3190) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be3270
>        save_current = 0x2be2c10
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be3270
>#313 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be3190) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#314 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be3190
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be3170 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#315 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be2c10) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#316 execute_command_internal (command=0x2be2c10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#317 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be2be0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#318 execute_command_internal (command=0x2be2be0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#319 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be2b00) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be2be0
>        save_current = 0x2be2580
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be2be0
>#320 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be2b00) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#321 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be2b00
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be2ae0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#322 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be2580) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#323 execute_command_internal (command=0x2be2580, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#324 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be2550) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#325 execute_command_internal (command=0x2be2550, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#326 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be2470) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be2550
>        save_current = 0x2be1ef0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be2550
>#327 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be2470) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#328 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be2470
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be2450 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#329 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be1ef0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#330 execute_command_internal (command=0x2be1ef0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#331 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be1ec0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#332 execute_command_internal (command=0x2be1ec0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#333 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be1de0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be1ec0
>        save_current = 0x2be1860
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be1ec0
>#334 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be1de0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#335 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be1de0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be1dc0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#336 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be1860) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#337 execute_command_internal (command=0x2be1860, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#338 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be1830) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#339 execute_command_internal (command=0x2be1830, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#340 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be1750) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be1830
>        save_current = 0x2be11d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be1830
>#341 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be1750) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#342 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be1750
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be1730 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#343 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be11d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#344 execute_command_internal (command=0x2be11d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#345 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be11a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#346 execute_command_internal (command=0x2be11a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#347 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be10c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be11a0
>        save_current = 0x2be0b40
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be11a0
>#348 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be10c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#349 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be10c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be10a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#350 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be0b40) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#351 execute_command_internal (command=0x2be0b40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#352 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be0b10) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#353 execute_command_internal (command=0x2be0b10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#354 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be0a30) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be0b10
>        save_current = 0x2be04b0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be0b10
>#355 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be0a30) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#356 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be0a30
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be0a10 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#357 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be04b0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#358 execute_command_internal (command=0x2be04b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#359 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2be0480) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#360 execute_command_internal (command=0x2be0480, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#361 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2be03a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2be0480
>        save_current = 0x2bdfe20
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2be0480
>#362 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2be03a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#363 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2be03a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2be0380 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#364 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdfe20) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#365 execute_command_internal (command=0x2bdfe20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#366 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdfdf0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#367 execute_command_internal (command=0x2bdfdf0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#368 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdfd10) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdfdf0
>        save_current = 0x2bdf790
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdfdf0
>#369 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdfd10) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#370 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdfd10
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdfcf0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#371 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdf790) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#372 execute_command_internal (command=0x2bdf790, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#373 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdf760) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#374 execute_command_internal (command=0x2bdf760, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#375 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdf680) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdf760
>        save_current = 0x2bf7ca0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdf760
>#376 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdf680) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#377 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdf680
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdf660 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#378 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf7ca0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#379 execute_command_internal (command=0x2bf7ca0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#380 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf7c70) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#381 execute_command_internal (command=0x2bf7c70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#382 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf7b90) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf7c70
>        save_current = 0x2bf7610
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf7c70
>#383 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf7b90) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#384 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf7b90
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf7b70 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#385 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf7610) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#386 execute_command_internal (command=0x2bf7610, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#387 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf75e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#388 execute_command_internal (command=0x2bf75e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#389 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf7500) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf75e0
>        save_current = 0x2bf6f80
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf75e0
>#390 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf7500) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#391 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf7500
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf74e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#392 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf6f80) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#393 execute_command_internal (command=0x2bf6f80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#394 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf6f50) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#395 execute_command_internal (command=0x2bf6f50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#396 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf6e70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf6f50
>        save_current = 0x2bf68f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf6f50
>#397 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf6e70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#398 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf6e70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf6e50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#399 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf68f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#400 execute_command_internal (command=0x2bf68f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#401 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf68c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#402 execute_command_internal (command=0x2bf68c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#403 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf67e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf68c0
>        save_current = 0x2bf6260
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf68c0
>#404 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf67e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#405 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf67e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf67c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#406 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf6260) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#407 execute_command_internal (command=0x2bf6260, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#408 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf6230) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#409 execute_command_internal (command=0x2bf6230, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#410 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf6150) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf6230
>        save_current = 0x2bf5bd0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf6230
>#411 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf6150) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#412 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf6150
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf6130 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#413 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf5bd0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#414 execute_command_internal (command=0x2bf5bd0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#415 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf5ba0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#416 execute_command_internal (command=0x2bf5ba0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#417 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf5ac0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf5ba0
>        save_current = 0x2bf5540
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf5ba0
>#418 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf5ac0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#419 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf5ac0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf5aa0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#420 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf5540) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#421 execute_command_internal (command=0x2bf5540, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#422 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf5510) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#423 execute_command_internal (command=0x2bf5510, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#424 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf5430) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf5510
>        save_current = 0x2bf4eb0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf5510
>#425 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf5430) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#426 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf5430
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf5410 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#427 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf4eb0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#428 execute_command_internal (command=0x2bf4eb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#429 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf4e80) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#430 execute_command_internal (command=0x2bf4e80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#431 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf4da0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf4e80
>        save_current = 0x2bf4820
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf4e80
>#432 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf4da0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#433 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf4da0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf4d80 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#434 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf4820) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#435 execute_command_internal (command=0x2bf4820, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#436 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf47f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#437 execute_command_internal (command=0x2bf47f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#438 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf4710) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf47f0
>        save_current = 0x2bf4190
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf47f0
>#439 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf4710) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#440 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf4710
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf46f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#441 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf4190) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#442 execute_command_internal (command=0x2bf4190, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#443 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bf4160) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#444 execute_command_internal (command=0x2bf4160, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#445 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bf4080) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bf4160
>        save_current = 0x2bdad80
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bf4160
>#446 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bf4080) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#447 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bf4080
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bf4060 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#448 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdad80) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#449 execute_command_internal (command=0x2bdad80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#450 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdad50) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#451 execute_command_internal (command=0x2bdad50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#452 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdac70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdad50
>        save_current = 0x2bda6f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdad50
>#453 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdac70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#454 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdac70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdac50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#455 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bda6f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#456 execute_command_internal (command=0x2bda6f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#457 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bda6c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#458 execute_command_internal (command=0x2bda6c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#459 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bda5e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bda6c0
>        save_current = 0x2bda060
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bda6c0
>#460 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bda5e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#461 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bda5e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bda5c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#462 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bda060) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#463 execute_command_internal (command=0x2bda060, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#464 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bda030) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#465 execute_command_internal (command=0x2bda030, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#466 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd9f50) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bda030
>        save_current = 0x2bd99d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bda030
>#467 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd9f50) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#468 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd9f50
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd9f30 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#469 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd99d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#470 execute_command_internal (command=0x2bd99d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#471 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd99a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#472 execute_command_internal (command=0x2bd99a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#473 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd98c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd99a0
>        save_current = 0x2bd9340
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd99a0
>#474 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd98c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#475 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd98c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd98a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#476 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd9340) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#477 execute_command_internal (command=0x2bd9340, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#478 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd9310) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#479 execute_command_internal (command=0x2bd9310, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#480 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd9230) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd9310
>        save_current = 0x2bd8cb0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd9310
>#481 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd9230) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#482 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd9230
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd9210 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#483 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd8cb0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#484 execute_command_internal (command=0x2bd8cb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#485 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd8c80) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#486 execute_command_internal (command=0x2bd8c80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#487 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd8ba0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd8c80
>        save_current = 0x2bd8620
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd8c80
>#488 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd8ba0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#489 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd8ba0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd8b80 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#490 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd8620) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#491 execute_command_internal (command=0x2bd8620, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#492 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd85f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#493 execute_command_internal (command=0x2bd85f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#494 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd8510) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd85f0
>        save_current = 0x2bd7f90
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd85f0
>#495 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd8510) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#496 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd8510
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd84f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#497 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd7f90) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#498 execute_command_internal (command=0x2bd7f90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#499 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd7f60) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#500 execute_command_internal (command=0x2bd7f60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#501 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd7e80) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd7f60
>        save_current = 0x2bd7900
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd7f60
>#502 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd7e80) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#503 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd7e80
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd7e60 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#504 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd7900) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#505 execute_command_internal (command=0x2bd7900, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#506 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd78d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#507 execute_command_internal (command=0x2bd78d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#508 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd77f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd78d0
>        save_current = 0x2bd7270
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd78d0
>#509 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd77f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#510 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd77f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd77d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#511 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd7270) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#512 execute_command_internal (command=0x2bd7270, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#513 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd7240) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#514 execute_command_internal (command=0x2bd7240, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#515 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd7160) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd7240
>        save_current = 0x2bd6be0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd7240
>#516 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd7160) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#517 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd7160
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd7140 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#518 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd6be0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#519 execute_command_internal (command=0x2bd6be0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#520 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd6bb0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#521 execute_command_internal (command=0x2bd6bb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#522 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd6ad0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd6bb0
>        save_current = 0x2bd6550
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd6bb0
>#523 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd6ad0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#524 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd6ad0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd6ab0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#525 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd6550) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#526 execute_command_internal (command=0x2bd6550, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#527 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd6520) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#528 execute_command_internal (command=0x2bd6520, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#529 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd6440) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd6520
>        save_current = 0x2bd5ec0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd6520
>#530 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd6440) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#531 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd6440
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd6420 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#532 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd5ec0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#533 execute_command_internal (command=0x2bd5ec0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#534 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd5e90) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#535 execute_command_internal (command=0x2bd5e90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#536 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd5db0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd5e90
>        save_current = 0x2bd5830
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd5e90
>#537 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd5db0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#538 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd5db0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd5d90 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#539 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd5830) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#540 execute_command_internal (command=0x2bd5830, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#541 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd5800) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#542 execute_command_internal (command=0x2bd5800, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#543 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd5720) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd5800
>        save_current = 0x2bd51a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd5800
>#544 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd5720) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#545 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd5720
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd5700 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#546 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd51a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#547 execute_command_internal (command=0x2bd51a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#548 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd5170) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#549 execute_command_internal (command=0x2bd5170, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#550 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd5090) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd5170
>        save_current = 0x2bd4b10
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd5170
>#551 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd5090) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#552 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd5090
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd5070 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#553 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd4b10) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#554 execute_command_internal (command=0x2bd4b10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#555 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd4ae0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#556 execute_command_internal (command=0x2bd4ae0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#557 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd4a00) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd4ae0
>        save_current = 0x2bd4480
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd4ae0
>#558 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd4a00) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#559 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd4a00
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd49e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#560 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd4480) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#561 execute_command_internal (command=0x2bd4480, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#562 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd4450) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#563 execute_command_internal (command=0x2bd4450, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#564 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd4370) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd4450
>        save_current = 0x2bd3df0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd4450
>#565 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd4370) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#566 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd4370
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd4350 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#567 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd3df0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#568 execute_command_internal (command=0x2bd3df0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#569 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd3dc0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#570 execute_command_internal (command=0x2bd3dc0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#571 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd3ce0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd3dc0
>        save_current = 0x2bd3760
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd3dc0
>#572 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd3ce0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#573 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd3ce0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd3cc0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#574 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd3760) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#575 execute_command_internal (command=0x2bd3760, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#576 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd3730) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#577 execute_command_internal (command=0x2bd3730, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#578 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd3650) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd3730
>        save_current = 0x2bd30d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd3730
>#579 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd3650) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#580 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd3650
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd3630 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#581 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd30d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#582 execute_command_internal (command=0x2bd30d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#583 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd30a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#584 execute_command_internal (command=0x2bd30a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#585 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd2fc0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd30a0
>        save_current = 0x2bd2a40
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd30a0
>#586 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd2fc0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#587 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd2fc0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd2fa0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#588 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd2a40) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#589 execute_command_internal (command=0x2bd2a40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#590 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd2a10) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#591 execute_command_internal (command=0x2bd2a10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#592 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd2930) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd2a10
>        save_current = 0x2bd23b0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd2a10
>#593 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd2930) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#594 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd2930
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd2910 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#595 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd23b0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#596 execute_command_internal (command=0x2bd23b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#597 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd2380) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#598 execute_command_internal (command=0x2bd2380, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#599 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd22a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd2380
>        save_current = 0x2bd1d20
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd2380
>#600 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd22a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#601 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd22a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd2280 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#602 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd1d20) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#603 execute_command_internal (command=0x2bd1d20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#604 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd1cf0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#605 execute_command_internal (command=0x2bd1cf0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#606 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd1c10) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd1cf0
>        save_current = 0x2bd1690
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd1cf0
>#607 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd1c10) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#608 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd1c10
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd1bf0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#609 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd1690) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#610 execute_command_internal (command=0x2bd1690, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#611 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd1660) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#612 execute_command_internal (command=0x2bd1660, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#613 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd1580) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd1660
>        save_current = 0x2bd1000
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd1660
>#614 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd1580) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#615 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd1580
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd1560 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#616 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd1000) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#617 execute_command_internal (command=0x2bd1000, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#618 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd0fd0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#619 execute_command_internal (command=0x2bd0fd0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#620 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd0ef0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd0fd0
>        save_current = 0x2bd0970
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd0fd0
>#621 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd0ef0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#622 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd0ef0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd0ed0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#623 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd0970) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#624 execute_command_internal (command=0x2bd0970, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#625 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd0940) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#626 execute_command_internal (command=0x2bd0940, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#627 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd0860) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd0940
>        save_current = 0x2bd02e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd0940
>#628 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd0860) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#629 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd0860
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd0840 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#630 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd02e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#631 execute_command_internal (command=0x2bd02e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#632 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bd02b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#633 execute_command_internal (command=0x2bd02b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#634 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bd01d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bd02b0
>        save_current = 0x2bcfc50
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bd02b0
>#635 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bd01d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#636 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bd01d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bd01b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#637 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcfc50) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#638 execute_command_internal (command=0x2bcfc50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#639 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcfc20) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#640 execute_command_internal (command=0x2bcfc20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#641 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcfb40) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcfc20
>        save_current = 0x2bcf5c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcfc20
>#642 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcfb40) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#643 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcfb40
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcfb20 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#644 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcf5c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#645 execute_command_internal (command=0x2bcf5c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#646 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcf590) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#647 execute_command_internal (command=0x2bcf590, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#648 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcf4b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcf590
>        save_current = 0x2bcef30
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcf590
>#649 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcf4b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#650 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcf4b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcf490 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#651 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcef30) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#652 execute_command_internal (command=0x2bcef30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#653 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcef00) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#654 execute_command_internal (command=0x2bcef00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#655 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcee20) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcef00
>        save_current = 0x2bce8a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcef00
>#656 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcee20) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#657 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcee20
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcee00 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#658 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bce8a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#659 execute_command_internal (command=0x2bce8a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#660 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bce870) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#661 execute_command_internal (command=0x2bce870, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#662 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bce790) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bce870
>        save_current = 0x2bce210
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bce870
>#663 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bce790) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#664 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bce790
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bce770 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#665 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bce210) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#666 execute_command_internal (command=0x2bce210, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#667 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bce1e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#668 execute_command_internal (command=0x2bce1e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#669 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bce100) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bce1e0
>        save_current = 0x2bcdb80
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bce1e0
>#670 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bce100) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#671 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bce100
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bce0e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#672 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcdb80) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#673 execute_command_internal (command=0x2bcdb80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#674 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcdb50) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#675 execute_command_internal (command=0x2bcdb50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#676 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcda70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcdb50
>        save_current = 0x2bcd4f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcdb50
>#677 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcda70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#678 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcda70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcda50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#679 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcd4f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#680 execute_command_internal (command=0x2bcd4f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#681 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcd4c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#682 execute_command_internal (command=0x2bcd4c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#683 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcd3e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcd4c0
>        save_current = 0x2bcce60
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcd4c0
>#684 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcd3e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#685 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcd3e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcd3c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#686 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcce60) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#687 execute_command_internal (command=0x2bcce60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#688 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcce30) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#689 execute_command_internal (command=0x2bcce30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#690 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bccd50) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcce30
>        save_current = 0x2bcc7d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcce30
>#691 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bccd50) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#692 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bccd50
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bccd30 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#693 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcc7d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#694 execute_command_internal (command=0x2bcc7d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#695 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcc7a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#696 execute_command_internal (command=0x2bcc7a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#697 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcc6c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcc7a0
>        save_current = 0x2bcc140
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcc7a0
>#698 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcc6c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#699 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcc6c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcc6a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#700 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcc140) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#701 execute_command_internal (command=0x2bcc140, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#702 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcc110) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#703 execute_command_internal (command=0x2bcc110, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#704 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcc030) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcc110
>        save_current = 0x2bcbab0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcc110
>#705 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcc030) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#706 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcc030
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcc010 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#707 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcbab0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#708 execute_command_internal (command=0x2bcbab0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#709 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcba80) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#710 execute_command_internal (command=0x2bcba80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#711 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcb9a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcba80
>        save_current = 0x2bcb420
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcba80
>#712 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcb9a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#713 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcb9a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcb980 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#714 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcb420) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#715 execute_command_internal (command=0x2bcb420, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#716 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcb3f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#717 execute_command_internal (command=0x2bcb3f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#718 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcb310) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcb3f0
>        save_current = 0x2bcad90
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcb3f0
>#719 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcb310) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#720 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcb310
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcb2f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#721 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcad90) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#722 execute_command_internal (command=0x2bcad90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#723 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bcad60) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#724 execute_command_internal (command=0x2bcad60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#725 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bcac80) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bcad60
>        save_current = 0x2bca700
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bcad60
>#726 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bcac80) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#727 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bcac80
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bcac60 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#728 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bca700) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#729 execute_command_internal (command=0x2bca700, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#730 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bca6d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#731 execute_command_internal (command=0x2bca6d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#732 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bca5f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bca6d0
>        save_current = 0x2bca070
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bca6d0
>#733 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bca5f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#734 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bca5f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bca5d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#735 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bca070) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#736 execute_command_internal (command=0x2bca070, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#737 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bca040) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#738 execute_command_internal (command=0x2bca040, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#739 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc9f60) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bca040
>        save_current = 0x2bc99e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bca040
>#740 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc9f60) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#741 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc9f60
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc9f40 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#742 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc99e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#743 execute_command_internal (command=0x2bc99e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#744 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc99b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#745 execute_command_internal (command=0x2bc99b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#746 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc98d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc99b0
>        save_current = 0x2bc9350
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc99b0
>#747 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc98d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#748 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc98d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc98b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#749 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc9350) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#750 execute_command_internal (command=0x2bc9350, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#751 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc9320) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#752 execute_command_internal (command=0x2bc9320, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#753 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc9240) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc9320
>        save_current = 0x2bc8cc0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc9320
>#754 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc9240) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#755 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc9240
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc9220 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#756 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc8cc0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#757 execute_command_internal (command=0x2bc8cc0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#758 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc8c90) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#759 execute_command_internal (command=0x2bc8c90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#760 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc8bb0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc8c90
>        save_current = 0x2bc8630
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc8c90
>#761 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc8bb0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#762 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc8bb0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc8b90 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#763 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc8630) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#764 execute_command_internal (command=0x2bc8630, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#765 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc8600) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#766 execute_command_internal (command=0x2bc8600, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#767 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc8520) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc8600
>        save_current = 0x2bc7fa0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc8600
>#768 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc8520) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#769 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc8520
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc8500 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#770 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc7fa0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#771 execute_command_internal (command=0x2bc7fa0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#772 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc7f70) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#773 execute_command_internal (command=0x2bc7f70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#774 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc7e90) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc7f70
>        save_current = 0x2bc7910
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc7f70
>#775 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc7e90) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#776 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc7e90
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc7e70 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#777 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc7910) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#778 execute_command_internal (command=0x2bc7910, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#779 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc78e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#780 execute_command_internal (command=0x2bc78e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#781 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc7800) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc78e0
>        save_current = 0x2bc7280
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc78e0
>#782 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc7800) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#783 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc7800
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc77e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#784 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc7280) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#785 execute_command_internal (command=0x2bc7280, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#786 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc7250) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#787 execute_command_internal (command=0x2bc7250, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#788 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc7170) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc7250
>        save_current = 0x2bc6bf0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc7250
>#789 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc7170) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#790 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc7170
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc7150 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#791 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc6bf0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#792 execute_command_internal (command=0x2bc6bf0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#793 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc6bc0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#794 execute_command_internal (command=0x2bc6bc0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#795 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc6ae0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc6bc0
>        save_current = 0x2bdf100
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc6bc0
>#796 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc6ae0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#797 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc6ae0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc6ac0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#798 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdf100) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#799 execute_command_internal (command=0x2bdf100, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#800 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdf0d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#801 execute_command_internal (command=0x2bdf0d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#802 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdeff0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdf0d0
>        save_current = 0x2bdea70
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdf0d0
>#803 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdeff0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#804 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdeff0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdefd0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#805 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdea70) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#806 execute_command_internal (command=0x2bdea70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#807 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdea40) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#808 execute_command_internal (command=0x2bdea40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#809 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bde960) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdea40
>        save_current = 0x2bde3e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdea40
>#810 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bde960) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#811 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bde960
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bde940 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#812 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bde3e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#813 execute_command_internal (command=0x2bde3e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#814 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bde3b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#815 execute_command_internal (command=0x2bde3b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#816 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bde2d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bde3b0
>        save_current = 0x2bddd50
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bde3b0
>#817 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bde2d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#818 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bde2d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bde2b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#819 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bddd50) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#820 execute_command_internal (command=0x2bddd50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#821 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bddd20) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#822 execute_command_internal (command=0x2bddd20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#823 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bddc40) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bddd20
>        save_current = 0x2bdd6c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bddd20
>#824 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bddc40) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#825 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bddc40
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bddc20 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#826 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdd6c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#827 execute_command_internal (command=0x2bdd6c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#828 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdd690) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#829 execute_command_internal (command=0x2bdd690, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#830 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdd5b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdd690
>        save_current = 0x2bdd030
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdd690
>#831 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdd5b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#832 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdd5b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdd590 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#833 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdd030) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#834 execute_command_internal (command=0x2bdd030, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#835 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdd000) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#836 execute_command_internal (command=0x2bdd000, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#837 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdcf20) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdd000
>        save_current = 0x2bdc9a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdd000
>#838 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdcf20) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#839 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdcf20
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdcf00 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#840 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdc9a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#841 execute_command_internal (command=0x2bdc9a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#842 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdc970) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#843 execute_command_internal (command=0x2bdc970, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#844 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdc890) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdc970
>        save_current = 0x2bdc310
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdc970
>#845 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdc890) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#846 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdc890
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdc870 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#847 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdc310) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#848 execute_command_internal (command=0x2bdc310, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#849 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdc2e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#850 execute_command_internal (command=0x2bdc2e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#851 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdc200) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdc2e0
>        save_current = 0x2bdbc80
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdc2e0
>#852 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdc200) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#853 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdc200
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdc1e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#854 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdbc80) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#855 execute_command_internal (command=0x2bdbc80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#856 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdbc50) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#857 execute_command_internal (command=0x2bdbc50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#858 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdbb70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdbc50
>        save_current = 0x2bdb5f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdbc50
>#859 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdbb70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#860 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdbb70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdbb50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#861 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdb5f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#862 execute_command_internal (command=0x2bdb5f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#863 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bdb5c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#864 execute_command_internal (command=0x2bdb5c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#865 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bdb4e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bdb5c0
>        save_current = 0x2bc63d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bdb5c0
>#866 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bdb4e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#867 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bdb4e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bdb4c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#868 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc63d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#869 execute_command_internal (command=0x2bc63d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#870 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc63a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#871 execute_command_internal (command=0x2bc63a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#872 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc62c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc63a0
>        save_current = 0x2bc5d40
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc63a0
>#873 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc62c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#874 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc62c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc62a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#875 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc5d40) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#876 execute_command_internal (command=0x2bc5d40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#877 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc5d10) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#878 execute_command_internal (command=0x2bc5d10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#879 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc5c30) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc5d10
>        save_current = 0x2bc56b0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc5d10
>#880 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc5c30) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#881 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc5c30
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc5c10 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#882 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc56b0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#883 execute_command_internal (command=0x2bc56b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#884 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc5680) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#885 execute_command_internal (command=0x2bc5680, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#886 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc55a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc5680
>        save_current = 0x2bc5020
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc5680
>#887 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc55a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#888 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc55a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc5580 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#889 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc5020) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#890 execute_command_internal (command=0x2bc5020, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#891 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc4ff0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#892 execute_command_internal (command=0x2bc4ff0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#893 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc4f10) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc4ff0
>        save_current = 0x2bc4990
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc4ff0
>#894 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc4f10) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#895 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc4f10
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc4ef0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#896 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc4990) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#897 execute_command_internal (command=0x2bc4990, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#898 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc4960) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#899 execute_command_internal (command=0x2bc4960, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#900 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc4880) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc4960
>        save_current = 0x2bc4300
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc4960
>#901 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc4880) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#902 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc4880
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc4860 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#903 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc4300) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#904 execute_command_internal (command=0x2bc4300, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#905 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc42d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#906 execute_command_internal (command=0x2bc42d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#907 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc41f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc42d0
>        save_current = 0x2bc3c70
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc42d0
>#908 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc41f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#909 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc41f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc41d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#910 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc3c70) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#911 execute_command_internal (command=0x2bc3c70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#912 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc3c40) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#913 execute_command_internal (command=0x2bc3c40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#914 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc3b60) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc3c40
>        save_current = 0x2bc35e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc3c40
>#915 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc3b60) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#916 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc3b60
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc3b40 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#917 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc35e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#918 execute_command_internal (command=0x2bc35e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#919 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc35b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#920 execute_command_internal (command=0x2bc35b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#921 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc34d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc35b0
>        save_current = 0x2bc2f50
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc35b0
>#922 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc34d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#923 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc34d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc34b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#924 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc2f50) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#925 execute_command_internal (command=0x2bc2f50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#926 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc2f20) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#927 execute_command_internal (command=0x2bc2f20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#928 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc2e40) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc2f20
>        save_current = 0x2bc28c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc2f20
>#929 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc2e40) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#930 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc2e40
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc2e20 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#931 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc28c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#932 execute_command_internal (command=0x2bc28c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#933 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc2890) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#934 execute_command_internal (command=0x2bc2890, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#935 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc27b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc2890
>        save_current = 0x2bc2230
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc2890
>#936 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc27b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#937 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc27b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc2790 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#938 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc2230) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#939 execute_command_internal (command=0x2bc2230, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#940 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc2200) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#941 execute_command_internal (command=0x2bc2200, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#942 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc2120) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc2200
>        save_current = 0x2bc1ba0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc2200
>#943 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc2120) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#944 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc2120
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc2100 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#945 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc1ba0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#946 execute_command_internal (command=0x2bc1ba0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#947 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc1b70) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#948 execute_command_internal (command=0x2bc1b70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#949 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc1a90) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc1b70
>        save_current = 0x2bc1510
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc1b70
>#950 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc1a90) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#951 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc1a90
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc1a70 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#952 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc1510) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#953 execute_command_internal (command=0x2bc1510, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#954 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc14e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#955 execute_command_internal (command=0x2bc14e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#956 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc1400) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc14e0
>        save_current = 0x2bc0e80
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc14e0
>#957 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc1400) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#958 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc1400
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc13e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#959 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc0e80) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#960 execute_command_internal (command=0x2bc0e80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#961 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc0e50) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#962 execute_command_internal (command=0x2bc0e50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#963 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc0d70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc0e50
>        save_current = 0x2bc07f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc0e50
>#964 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc0d70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#965 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc0d70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc0d50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#966 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc07f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#967 execute_command_internal (command=0x2bc07f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#968 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc07c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#969 execute_command_internal (command=0x2bc07c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#970 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc06e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc07c0
>        save_current = 0x2bc0160
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc07c0
>#971 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc06e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#972 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc06e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc06c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#973 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc0160) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#974 execute_command_internal (command=0x2bc0160, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#975 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc0130) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#976 execute_command_internal (command=0x2bc0130, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#977 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bc0050) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc0130
>        save_current = 0x2bbfad0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc0130
>#978 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bc0050) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#979 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bc0050
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bc0030 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#980 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbfad0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#981 execute_command_internal (command=0x2bbfad0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#982 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbfaa0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#983 execute_command_internal (command=0x2bbfaa0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#984 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbf9c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbfaa0
>        save_current = 0x2bbf440
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbfaa0
>#985 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbf9c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#986 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbf9c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbf9a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#987 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbf440) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#988 execute_command_internal (command=0x2bbf440, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#989 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbf410) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#990 execute_command_internal (command=0x2bbf410, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#991 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbf330) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbf410
>        save_current = 0x2bbedb0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbf410
>#992 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbf330) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#993 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbf330
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbf310 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#994 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbedb0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#995 execute_command_internal (command=0x2bbedb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#996 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbed80) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#997 execute_command_internal (command=0x2bbed80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#998 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbeca0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbed80
>        save_current = 0x2bbe720
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbed80
>#999 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbeca0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1000 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbeca0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbec80 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1001 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbe720) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1002 execute_command_internal (command=0x2bbe720, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1003 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbe6f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1004 execute_command_internal (command=0x2bbe6f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1005 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbe610) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbe6f0
>        save_current = 0x2bbe090
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbe6f0
>#1006 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbe610) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1007 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbe610
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbe5f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1008 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbe090) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1009 execute_command_internal (command=0x2bbe090, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1010 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbe060) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1011 execute_command_internal (command=0x2bbe060, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1012 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbdf80) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbe060
>        save_current = 0x2bbda00
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbe060
>#1013 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbdf80) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1014 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbdf80
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbdf60 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1015 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbda00) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1016 execute_command_internal (command=0x2bbda00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1017 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbd9d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1018 execute_command_internal (command=0x2bbd9d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1019 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbd8f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbd9d0
>        save_current = 0x2bbd370
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbd9d0
>#1020 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbd8f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1021 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbd8f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbd8d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1022 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbd370) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1023 execute_command_internal (command=0x2bbd370, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1024 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbd340) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1025 execute_command_internal (command=0x2bbd340, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1026 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbd260) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbd340
>        save_current = 0x2bbcce0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbd340
>#1027 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbd260) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1028 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbd260
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbd240 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1029 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbcce0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1030 execute_command_internal (command=0x2bbcce0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1031 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbccb0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1032 execute_command_internal (command=0x2bbccb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1033 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbcbd0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbccb0
>        save_current = 0x2bbc650
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbccb0
>#1034 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbcbd0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1035 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbcbd0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbcbb0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1036 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbc650) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1037 execute_command_internal (command=0x2bbc650, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1038 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbc620) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1039 execute_command_internal (command=0x2bbc620, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1040 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbc540) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbc620
>        save_current = 0x2bbbfc0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbc620
>#1041 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbc540) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1042 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbc540
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbc520 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1043 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbbfc0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1044 execute_command_internal (command=0x2bbbfc0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1045 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbbf90) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1046 execute_command_internal (command=0x2bbbf90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1047 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbbeb0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbbf90
>        save_current = 0x2bbb930
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbbf90
>#1048 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbbeb0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1049 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbbeb0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbbe90 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1050 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbb930) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1051 execute_command_internal (command=0x2bbb930, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1052 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbb900) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1053 execute_command_internal (command=0x2bbb900, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1054 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbb820) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbb900
>        save_current = 0x2bbb2a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbb900
>#1055 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbb820) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1056 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbb820
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbb800 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1057 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbb2a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1058 execute_command_internal (command=0x2bbb2a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1059 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbb270) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1060 execute_command_internal (command=0x2bbb270, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1061 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbb190) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbb270
>        save_current = 0x2bbac10
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbb270
>#1062 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbb190) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1063 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbb190
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbb170 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1064 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbac10) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1065 execute_command_internal (command=0x2bbac10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1066 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bbabe0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1067 execute_command_internal (command=0x2bbabe0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1068 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bbab00) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bbabe0
>        save_current = 0x2bba580
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bbabe0
>#1069 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bbab00) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1070 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bbab00
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bbaae0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1071 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bba580) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1072 execute_command_internal (command=0x2bba580, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1073 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bba550) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1074 execute_command_internal (command=0x2bba550, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1075 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bba470) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bba550
>        save_current = 0x2bb9ef0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bba550
>#1076 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bba470) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1077 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bba470
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bba450 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1078 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb9ef0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1079 execute_command_internal (command=0x2bb9ef0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1080 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb9ec0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1081 execute_command_internal (command=0x2bb9ec0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1082 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb9de0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb9ec0
>        save_current = 0x2bb9860
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb9ec0
>#1083 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb9de0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1084 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb9de0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb9dc0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1085 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb9860) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1086 execute_command_internal (command=0x2bb9860, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1087 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb9830) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1088 execute_command_internal (command=0x2bb9830, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1089 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb9750) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb9830
>        save_current = 0x2bb91d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb9830
>#1090 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb9750) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1091 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb9750
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb9730 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1092 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb91d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1093 execute_command_internal (command=0x2bb91d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1094 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb91a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1095 execute_command_internal (command=0x2bb91a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1096 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb90c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb91a0
>        save_current = 0x2bb8b40
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb91a0
>#1097 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb90c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1098 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb90c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb90a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1099 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb8b40) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1100 execute_command_internal (command=0x2bb8b40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1101 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb8b10) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1102 execute_command_internal (command=0x2bb8b10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1103 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb8a30) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb8b10
>        save_current = 0x2bb84b0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb8b10
>#1104 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb8a30) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1105 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb8a30
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb8a10 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1106 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb84b0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1107 execute_command_internal (command=0x2bb84b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1108 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb8480) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1109 execute_command_internal (command=0x2bb8480, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1110 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb83a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb8480
>        save_current = 0x2bb7e20
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb8480
>#1111 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb83a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1112 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb83a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb8380 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1113 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb7e20) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1114 execute_command_internal (command=0x2bb7e20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1115 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb7df0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1116 execute_command_internal (command=0x2bb7df0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1117 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb7d10) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb7df0
>        save_current = 0x2bb7790
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb7df0
>#1118 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb7d10) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1119 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb7d10
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb7cf0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1120 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb7790) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1121 execute_command_internal (command=0x2bb7790, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1122 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb7760) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1123 execute_command_internal (command=0x2bb7760, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1124 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb7680) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb7760
>        save_current = 0x2bb7100
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb7760
>#1125 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb7680) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1126 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb7680
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb7660 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1127 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb7100) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1128 execute_command_internal (command=0x2bb7100, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1129 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb70d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1130 execute_command_internal (command=0x2bb70d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1131 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb6ff0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb70d0
>        save_current = 0x2bb6a70
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb70d0
>#1132 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb6ff0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1133 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb6ff0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb6fd0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1134 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb6a70) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1135 execute_command_internal (command=0x2bb6a70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1136 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb6a40) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1137 execute_command_internal (command=0x2bb6a40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1138 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb6960) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb6a40
>        save_current = 0x2bb63e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb6a40
>#1139 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb6960) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1140 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb6960
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb6940 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1141 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb63e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1142 execute_command_internal (command=0x2bb63e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1143 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb63b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1144 execute_command_internal (command=0x2bb63b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1145 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb62d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb63b0
>        save_current = 0x2bb5d50
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb63b0
>#1146 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb62d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1147 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb62d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb62b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1148 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb5d50) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1149 execute_command_internal (command=0x2bb5d50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1150 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb5d20) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1151 execute_command_internal (command=0x2bb5d20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1152 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb5c40) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb5d20
>        save_current = 0x2bb56c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb5d20
>#1153 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb5c40) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1154 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb5c40
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb5c20 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1155 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb56c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1156 execute_command_internal (command=0x2bb56c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1157 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb5690) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1158 execute_command_internal (command=0x2bb5690, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1159 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb55b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb5690
>        save_current = 0x2bb5030
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb5690
>#1160 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb55b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1161 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb55b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb5590 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1162 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb5030) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1163 execute_command_internal (command=0x2bb5030, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1164 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb5000) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1165 execute_command_internal (command=0x2bb5000, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1166 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb4f20) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb5000
>        save_current = 0x2bb49a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb5000
>#1167 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb4f20) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1168 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb4f20
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb4f00 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1169 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb49a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1170 execute_command_internal (command=0x2bb49a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1171 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb4970) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1172 execute_command_internal (command=0x2bb4970, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1173 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb4890) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb4970
>        save_current = 0x2bb4310
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb4970
>#1174 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb4890) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1175 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb4890
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb4870 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1176 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb4310) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1177 execute_command_internal (command=0x2bb4310, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1178 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb42e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1179 execute_command_internal (command=0x2bb42e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1180 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb4200) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb42e0
>        save_current = 0x2bb3c80
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb42e0
>#1181 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb4200) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1182 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb4200
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb41e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1183 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb3c80) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1184 execute_command_internal (command=0x2bb3c80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1185 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb3c50) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1186 execute_command_internal (command=0x2bb3c50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1187 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb3b70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb3c50
>        save_current = 0x2bb35f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb3c50
>#1188 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb3b70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1189 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb3b70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb3b50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1190 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb35f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1191 execute_command_internal (command=0x2bb35f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1192 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb35c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1193 execute_command_internal (command=0x2bb35c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1194 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb34e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb35c0
>        save_current = 0x2bb2f60
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb35c0
>#1195 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb34e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1196 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb34e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb34c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1197 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb2f60) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1198 execute_command_internal (command=0x2bb2f60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1199 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb2f30) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1200 execute_command_internal (command=0x2bb2f30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1201 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb2e50) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb2f30
>        save_current = 0x2bb28d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb2f30
>#1202 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb2e50) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1203 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb2e50
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb2e30 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1204 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb28d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1205 execute_command_internal (command=0x2bb28d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1206 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb28a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1207 execute_command_internal (command=0x2bb28a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1208 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb27c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb28a0
>        save_current = 0x2bb2240
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb28a0
>#1209 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb27c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1210 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb27c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb27a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1211 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb2240) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1212 execute_command_internal (command=0x2bb2240, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1213 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb2210) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1214 execute_command_internal (command=0x2bb2210, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1215 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb2130) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb2210
>        save_current = 0x2bc6580
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb2210
>#1216 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb2130) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1217 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb2130
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb2110 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1218 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc6580) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1219 execute_command_internal (command=0x2bc6580, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1220 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bc6550) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1221 execute_command_internal (command=0x2bc6550, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1222 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb1910) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bc6550
>        save_current = 0x2bb1390
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bc6550
>#1223 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb1910) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1224 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb1910
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb18f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1225 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb1390) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1226 execute_command_internal (command=0x2bb1390, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1227 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb1360) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1228 execute_command_internal (command=0x2bb1360, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1229 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb1280) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb1360
>        save_current = 0x2bb0d00
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb1360
>#1230 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb1280) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1231 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb1280
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb1260 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1232 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb0d00) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1233 execute_command_internal (command=0x2bb0d00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1234 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb0cd0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1235 execute_command_internal (command=0x2bb0cd0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1236 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb0bf0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb0cd0
>        save_current = 0x2bb0670
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb0cd0
>#1237 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb0bf0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1238 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb0bf0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb0bd0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1239 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb0670) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1240 execute_command_internal (command=0x2bb0670, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1241 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb0640) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1242 execute_command_internal (command=0x2bb0640, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1243 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb0560) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb0640
>        save_current = 0x2baffe0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb0640
>#1244 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb0560) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1245 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb0560
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb0540 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1246 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baffe0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1247 execute_command_internal (command=0x2baffe0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1248 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baffb0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1249 execute_command_internal (command=0x2baffb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1250 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bafed0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2baffb0
>        save_current = 0x2baf950
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2baffb0
>#1251 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bafed0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1252 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bafed0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bafeb0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1253 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baf950) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1254 execute_command_internal (command=0x2baf950, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1255 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baf920) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1256 execute_command_internal (command=0x2baf920, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1257 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2baf840) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2baf920
>        save_current = 0x2baf2c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2baf920
>#1258 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2baf840) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1259 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2baf840
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2baf820 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1260 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baf2c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1261 execute_command_internal (command=0x2baf2c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1262 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baf290) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1263 execute_command_internal (command=0x2baf290, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1264 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2baf1b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2baf290
>        save_current = 0x2baec30
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2baf290
>#1265 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2baf1b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1266 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2baf1b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2baf190 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1267 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baec30) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1268 execute_command_internal (command=0x2baec30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1269 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baec00) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1270 execute_command_internal (command=0x2baec00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1271 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2baeb20) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2baec00
>        save_current = 0x2bae5a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2baec00
>#1272 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2baeb20) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1273 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2baeb20
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2baeb00 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1274 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bae5a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1275 execute_command_internal (command=0x2bae5a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1276 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bae570) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1277 execute_command_internal (command=0x2bae570, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1278 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bae490) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bae570
>        save_current = 0x2badf10
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bae570
>#1279 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bae490) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1280 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bae490
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bae470 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1281 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2badf10) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1282 execute_command_internal (command=0x2badf10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1283 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2badee0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1284 execute_command_internal (command=0x2badee0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1285 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bade00) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2badee0
>        save_current = 0x2bad880
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2badee0
>#1286 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bade00) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1287 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bade00
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2badde0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1288 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bad880) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1289 execute_command_internal (command=0x2bad880, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1290 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bad850) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1291 execute_command_internal (command=0x2bad850, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1292 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bad770) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bad850
>        save_current = 0x2bad1f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bad850
>#1293 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bad770) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1294 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bad770
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bad750 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1295 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bad1f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1296 execute_command_internal (command=0x2bad1f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1297 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bad1c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1298 execute_command_internal (command=0x2bad1c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1299 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bad0e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bad1c0
>        save_current = 0x2bacb60
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bad1c0
>#1300 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bad0e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1301 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bad0e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bad0c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1302 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bacb60) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1303 execute_command_internal (command=0x2bacb60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1304 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bacb30) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1305 execute_command_internal (command=0x2bacb30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1306 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2baca50) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bacb30
>        save_current = 0x2bac4d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bacb30
>#1307 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2baca50) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1308 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2baca50
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2baca30 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1309 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bac4d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1310 execute_command_internal (command=0x2bac4d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1311 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bac4a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1312 execute_command_internal (command=0x2bac4a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1313 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bac3c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bac4a0
>        save_current = 0x2babe40
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bac4a0
>#1314 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bac3c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1315 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bac3c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bac3a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1316 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2babe40) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1317 execute_command_internal (command=0x2babe40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1318 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2babe10) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1319 execute_command_internal (command=0x2babe10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1320 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2babd30) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2babe10
>        save_current = 0x2bab7b0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2babe10
>#1321 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2babd30) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1322 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2babd30
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2babd10 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1323 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bab7b0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1324 execute_command_internal (command=0x2bab7b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1325 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bab780) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1326 execute_command_internal (command=0x2bab780, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1327 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bab6a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bab780
>        save_current = 0x2bab120
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bab780
>#1328 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bab6a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1329 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bab6a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bab680 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1330 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bab120) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1331 execute_command_internal (command=0x2bab120, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1332 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bab0f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1333 execute_command_internal (command=0x2bab0f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1334 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bab010) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bab0f0
>        save_current = 0x2baaa90
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bab0f0
>#1335 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bab010) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1336 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bab010
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2baaff0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1337 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baaa90) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1338 execute_command_internal (command=0x2baaa90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1339 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baaa60) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1340 execute_command_internal (command=0x2baaa60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1341 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2baa980) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2baaa60
>        save_current = 0x2baa400
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2baaa60
>#1342 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2baa980) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1343 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2baa980
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2baa960 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1344 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baa400) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1345 execute_command_internal (command=0x2baa400, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1346 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2baa3d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1347 execute_command_internal (command=0x2baa3d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1348 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2baa2f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2baa3d0
>        save_current = 0x2ba9d70
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2baa3d0
>#1349 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2baa2f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1350 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2baa2f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2baa2d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1351 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba9d70) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1352 execute_command_internal (command=0x2ba9d70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1353 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba9d40) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1354 execute_command_internal (command=0x2ba9d40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1355 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba9c60) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba9d40
>        save_current = 0x2ba96e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba9d40
>#1356 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba9c60) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1357 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba9c60
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba9c40 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1358 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba96e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1359 execute_command_internal (command=0x2ba96e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1360 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba96b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1361 execute_command_internal (command=0x2ba96b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1362 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba95d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba96b0
>        save_current = 0x2ba9050
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba96b0
>#1363 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba95d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1364 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba95d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba95b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1365 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba9050) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1366 execute_command_internal (command=0x2ba9050, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1367 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba9020) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1368 execute_command_internal (command=0x2ba9020, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1369 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba8f40) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba9020
>        save_current = 0x2ba89c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba9020
>#1370 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba8f40) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1371 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba8f40
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba8f20 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1372 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba89c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1373 execute_command_internal (command=0x2ba89c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1374 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba8990) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1375 execute_command_internal (command=0x2ba8990, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1376 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba88b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba8990
>        save_current = 0x2ba8330
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba8990
>#1377 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba88b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1378 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba88b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba8890 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1379 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba8330) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1380 execute_command_internal (command=0x2ba8330, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1381 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba8300) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1382 execute_command_internal (command=0x2ba8300, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1383 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba8220) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba8300
>        save_current = 0x2ba7ca0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba8300
>#1384 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba8220) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1385 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba8220
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba8200 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1386 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba7ca0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1387 execute_command_internal (command=0x2ba7ca0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1388 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba7c70) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1389 execute_command_internal (command=0x2ba7c70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1390 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba7b90) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba7c70
>        save_current = 0x2ba7610
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba7c70
>#1391 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba7b90) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1392 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba7b90
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba7b70 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1393 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba7610) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1394 execute_command_internal (command=0x2ba7610, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1395 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba75e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1396 execute_command_internal (command=0x2ba75e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1397 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba7500) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba75e0
>        save_current = 0x2ba6f80
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba75e0
>#1398 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba7500) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1399 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba7500
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba74e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1400 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba6f80) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1401 execute_command_internal (command=0x2ba6f80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1402 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba6f50) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1403 execute_command_internal (command=0x2ba6f50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1404 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba6e70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba6f50
>        save_current = 0x2ba68f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba6f50
>#1405 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba6e70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1406 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba6e70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba6e50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1407 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba68f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1408 execute_command_internal (command=0x2ba68f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1409 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba68c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1410 execute_command_internal (command=0x2ba68c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1411 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba67e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba68c0
>        save_current = 0x2ba6260
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba68c0
>#1412 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba67e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1413 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba67e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba67c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1414 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba6260) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1415 execute_command_internal (command=0x2ba6260, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1416 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba6230) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1417 execute_command_internal (command=0x2ba6230, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1418 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba6150) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba6230
>        save_current = 0x2ba5bd0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba6230
>#1419 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba6150) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1420 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba6150
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba6130 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1421 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba5bd0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1422 execute_command_internal (command=0x2ba5bd0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1423 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba5ba0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1424 execute_command_internal (command=0x2ba5ba0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1425 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba5ac0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba5ba0
>        save_current = 0x2ba5540
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba5ba0
>#1426 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba5ac0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1427 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba5ac0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba5aa0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1428 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba5540) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1429 execute_command_internal (command=0x2ba5540, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1430 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba5510) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1431 execute_command_internal (command=0x2ba5510, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1432 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba5430) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba5510
>        save_current = 0x2ba4eb0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba5510
>#1433 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba5430) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1434 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba5430
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba5410 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1435 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba4eb0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1436 execute_command_internal (command=0x2ba4eb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1437 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba4e80) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1438 execute_command_internal (command=0x2ba4e80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1439 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba4da0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba4e80
>        save_current = 0x2ba4820
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba4e80
>#1440 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba4da0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1441 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba4da0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba4d80 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1442 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba4820) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1443 execute_command_internal (command=0x2ba4820, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1444 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba47f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1445 execute_command_internal (command=0x2ba47f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1446 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba4710) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba47f0
>        save_current = 0x2ba4190
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba47f0
>#1447 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba4710) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1448 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba4710
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba46f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1449 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba4190) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1450 execute_command_internal (command=0x2ba4190, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1451 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba4160) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1452 execute_command_internal (command=0x2ba4160, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1453 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba4080) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba4160
>        save_current = 0x2ba3b00
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba4160
>#1454 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba4080) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1455 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba4080
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba4060 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1456 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba3b00) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1457 execute_command_internal (command=0x2ba3b00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1458 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba3ad0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1459 execute_command_internal (command=0x2ba3ad0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1460 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba39f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba3ad0
>        save_current = 0x2ba3470
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba3ad0
>#1461 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba39f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1462 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba39f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba39d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1463 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba3470) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1464 execute_command_internal (command=0x2ba3470, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1465 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba3440) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1466 execute_command_internal (command=0x2ba3440, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1467 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba3360) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba3440
>        save_current = 0x2ba2de0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba3440
>#1468 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba3360) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1469 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba3360
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba3340 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1470 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba2de0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1471 execute_command_internal (command=0x2ba2de0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1472 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba2db0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1473 execute_command_internal (command=0x2ba2db0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1474 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba2cd0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba2db0
>        save_current = 0x2ba2750
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba2db0
>#1475 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba2cd0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1476 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba2cd0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba2cb0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1477 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba2750) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1478 execute_command_internal (command=0x2ba2750, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1479 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba2720) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1480 execute_command_internal (command=0x2ba2720, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1481 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba2640) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba2720
>        save_current = 0x2ba20c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba2720
>#1482 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba2640) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1483 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba2640
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba2620 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1484 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba20c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1485 execute_command_internal (command=0x2ba20c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1486 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba2090) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1487 execute_command_internal (command=0x2ba2090, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1488 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba1fb0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba2090
>        save_current = 0x2ba1a30
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba2090
>#1489 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba1fb0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1490 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba1fb0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba1f90 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1491 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba1a30) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1492 execute_command_internal (command=0x2ba1a30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1493 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba1a00) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1494 execute_command_internal (command=0x2ba1a00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1495 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba1920) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba1a00
>        save_current = 0x2ba13a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba1a00
>#1496 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba1920) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1497 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba1920
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba1900 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1498 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba13a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1499 execute_command_internal (command=0x2ba13a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1500 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba1370) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1501 execute_command_internal (command=0x2ba1370, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1502 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba1290) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba1370
>        save_current = 0x2ba0d10
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba1370
>#1503 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba1290) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1504 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba1290
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba1270 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1505 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba0d10) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1506 execute_command_internal (command=0x2ba0d10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1507 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba0ce0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1508 execute_command_internal (command=0x2ba0ce0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1509 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba0c00) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba0ce0
>        save_current = 0x2ba0680
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba0ce0
>#1510 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba0c00) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1511 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba0c00
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba0be0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1512 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba0680) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1513 execute_command_internal (command=0x2ba0680, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1514 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2ba0650) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1515 execute_command_internal (command=0x2ba0650, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1516 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2ba0570) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2ba0650
>        save_current = 0x2b9fff0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2ba0650
>#1517 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2ba0570) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1518 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2ba0570
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2ba0550 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1519 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9fff0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1520 execute_command_internal (command=0x2b9fff0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1521 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9ffc0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1522 execute_command_internal (command=0x2b9ffc0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1523 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9fee0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9ffc0
>        save_current = 0x2b9f960
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9ffc0
>#1524 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9fee0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1525 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9fee0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9fec0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1526 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9f960) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1527 execute_command_internal (command=0x2b9f960, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1528 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9f930) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1529 execute_command_internal (command=0x2b9f930, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1530 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9f850) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9f930
>        save_current = 0x2b9f2d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9f930
>#1531 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9f850) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1532 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9f850
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9f830 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1533 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9f2d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1534 execute_command_internal (command=0x2b9f2d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1535 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9f2a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1536 execute_command_internal (command=0x2b9f2a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1537 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9f1c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9f2a0
>        save_current = 0x2b9ec40
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9f2a0
>#1538 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9f1c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1539 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9f1c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9f1a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1540 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9ec40) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1541 execute_command_internal (command=0x2b9ec40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1542 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9ec10) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1543 execute_command_internal (command=0x2b9ec10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1544 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9eb30) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9ec10
>        save_current = 0x2b9e5b0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9ec10
>#1545 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9eb30) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1546 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9eb30
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9eb10 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1547 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9e5b0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1548 execute_command_internal (command=0x2b9e5b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1549 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9e580) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1550 execute_command_internal (command=0x2b9e580, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1551 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9e4a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9e580
>        save_current = 0x2b9df20
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9e580
>#1552 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9e4a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1553 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9e4a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9e480 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1554 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9df20) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1555 execute_command_internal (command=0x2b9df20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1556 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9def0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1557 execute_command_internal (command=0x2b9def0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1558 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9de10) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9def0
>        save_current = 0x2b9d890
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9def0
>#1559 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9de10) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1560 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9de10
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9ddf0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1561 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9d890) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1562 execute_command_internal (command=0x2b9d890, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1563 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9d860) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1564 execute_command_internal (command=0x2b9d860, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1565 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9d780) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9d860
>        save_current = 0x2bb1bb0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9d860
>#1566 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9d780) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1567 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9d780
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9d760 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1568 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb1bb0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1569 execute_command_internal (command=0x2bb1bb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1570 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2bb1b80) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1571 execute_command_internal (command=0x2bb1b80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1572 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2bb1aa0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2bb1b80
>        save_current = 0x2b9c9e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2bb1b80
>#1573 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2bb1aa0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1574 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2bb1aa0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2bb1a80 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1575 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9c9e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1576 execute_command_internal (command=0x2b9c9e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1577 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9c9b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1578 execute_command_internal (command=0x2b9c9b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1579 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9c8d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9c9b0
>        save_current = 0x2b9c350
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9c9b0
>#1580 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9c8d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1581 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9c8d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9c8b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1582 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9c350) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1583 execute_command_internal (command=0x2b9c350, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1584 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9c320) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1585 execute_command_internal (command=0x2b9c320, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1586 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9c240) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9c320
>        save_current = 0x2b9bcc0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9c320
>#1587 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9c240) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1588 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9c240
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9c220 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1589 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9bcc0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1590 execute_command_internal (command=0x2b9bcc0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1591 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9bc90) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1592 execute_command_internal (command=0x2b9bc90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1593 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9bbb0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9bc90
>        save_current = 0x2b9b630
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9bc90
>#1594 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9bbb0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1595 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9bbb0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9bb90 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1596 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9b630) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1597 execute_command_internal (command=0x2b9b630, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1598 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9b600) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1599 execute_command_internal (command=0x2b9b600, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1600 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9b520) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9b600
>        save_current = 0x2b9afa0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9b600
>#1601 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9b520) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1602 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9b520
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9b500 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1603 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9afa0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1604 execute_command_internal (command=0x2b9afa0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1605 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9af70) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1606 execute_command_internal (command=0x2b9af70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1607 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9ae90) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9af70
>        save_current = 0x2b9a910
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9af70
>#1608 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9ae90) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1609 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9ae90
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9ae70 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1610 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9a910) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1611 execute_command_internal (command=0x2b9a910, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1612 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9a8e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1613 execute_command_internal (command=0x2b9a8e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1614 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9a800) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9a8e0
>        save_current = 0x2b9a280
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9a8e0
>#1615 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9a800) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1616 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9a800
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9a7e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1617 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9a280) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1618 execute_command_internal (command=0x2b9a280, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1619 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9a250) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1620 execute_command_internal (command=0x2b9a250, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1621 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9a170) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9a250
>        save_current = 0x2b99bf0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9a250
>#1622 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9a170) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1623 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9a170
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9a150 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1624 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b99bf0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1625 execute_command_internal (command=0x2b99bf0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1626 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b99bc0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1627 execute_command_internal (command=0x2b99bc0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1628 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b99ae0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b99bc0
>        save_current = 0x2b99560
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b99bc0
>#1629 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b99ae0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1630 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b99ae0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b99ac0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1631 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b99560) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1632 execute_command_internal (command=0x2b99560, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1633 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b99530) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1634 execute_command_internal (command=0x2b99530, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1635 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b99450) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b99530
>        save_current = 0x2b98ed0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b99530
>#1636 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b99450) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1637 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b99450
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b99430 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1638 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b98ed0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1639 execute_command_internal (command=0x2b98ed0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1640 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b98ea0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1641 execute_command_internal (command=0x2b98ea0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1642 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b98dc0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b98ea0
>        save_current = 0x2b98840
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b98ea0
>#1643 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b98dc0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1644 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b98dc0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b98da0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1645 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b98840) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1646 execute_command_internal (command=0x2b98840, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1647 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b98810) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1648 execute_command_internal (command=0x2b98810, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1649 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b98730) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b98810
>        save_current = 0x2b981b0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b98810
>#1650 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b98730) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1651 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b98730
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b98710 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1652 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b981b0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1653 execute_command_internal (command=0x2b981b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1654 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b98180) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1655 execute_command_internal (command=0x2b98180, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1656 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b980a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b98180
>        save_current = 0x2b97b20
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b98180
>#1657 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b980a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1658 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b980a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b98080 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1659 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b97b20) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1660 execute_command_internal (command=0x2b97b20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1661 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b97af0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1662 execute_command_internal (command=0x2b97af0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1663 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b97a10) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b97af0
>        save_current = 0x2b97490
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b97af0
>#1664 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b97a10) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1665 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b97a10
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b979f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1666 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b97490) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1667 execute_command_internal (command=0x2b97490, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1668 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b97460) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1669 execute_command_internal (command=0x2b97460, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1670 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b97380) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b97460
>        save_current = 0x2b96e00
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b97460
>#1671 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b97380) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1672 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b97380
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b97360 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1673 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b96e00) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1674 execute_command_internal (command=0x2b96e00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1675 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b96dd0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1676 execute_command_internal (command=0x2b96dd0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1677 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b96cf0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b96dd0
>        save_current = 0x2b96770
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b96dd0
>#1678 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b96cf0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1679 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b96cf0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b96cd0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1680 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b96770) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1681 execute_command_internal (command=0x2b96770, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1682 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b96740) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1683 execute_command_internal (command=0x2b96740, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1684 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b96660) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b96740
>        save_current = 0x2b960e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b96740
>#1685 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b96660) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1686 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b96660
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b96640 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1687 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b960e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1688 execute_command_internal (command=0x2b960e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1689 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b960b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1690 execute_command_internal (command=0x2b960b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1691 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b95fd0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b960b0
>        save_current = 0x2b95a50
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b960b0
>#1692 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b95fd0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1693 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b95fd0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b95fb0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1694 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b95a50) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1695 execute_command_internal (command=0x2b95a50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1696 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b95a20) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1697 execute_command_internal (command=0x2b95a20, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1698 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b95940) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b95a20
>        save_current = 0x2b953c0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b95a20
>#1699 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b95940) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1700 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b95940
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b95920 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1701 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b953c0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1702 execute_command_internal (command=0x2b953c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1703 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b95390) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1704 execute_command_internal (command=0x2b95390, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1705 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b952b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b95390
>        save_current = 0x2b94d30
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b95390
>#1706 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b952b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1707 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b952b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b95290 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1708 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b94d30) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1709 execute_command_internal (command=0x2b94d30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1710 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b94d00) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1711 execute_command_internal (command=0x2b94d00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1712 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b94c20) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b94d00
>        save_current = 0x2b946a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b94d00
>#1713 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b94c20) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1714 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b94c20
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b94c00 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1715 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b946a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1716 execute_command_internal (command=0x2b946a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1717 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b94670) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1718 execute_command_internal (command=0x2b94670, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1719 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b94590) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b94670
>        save_current = 0x2b94010
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b94670
>#1720 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b94590) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1721 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b94590
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b94570 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1722 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b94010) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1723 execute_command_internal (command=0x2b94010, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1724 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b93fe0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1725 execute_command_internal (command=0x2b93fe0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1726 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b93f00) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b93fe0
>        save_current = 0x2b93980
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b93fe0
>#1727 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b93f00) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1728 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b93f00
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b93ee0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1729 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b93980) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1730 execute_command_internal (command=0x2b93980, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1731 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b93950) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1732 execute_command_internal (command=0x2b93950, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1733 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b93870) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b93950
>        save_current = 0x2b932f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b93950
>#1734 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b93870) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1735 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b93870
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b93850 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1736 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b932f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1737 execute_command_internal (command=0x2b932f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1738 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b932c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1739 execute_command_internal (command=0x2b932c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1740 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b931e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b932c0
>        save_current = 0x2b92c60
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b932c0
>#1741 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b931e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1742 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b931e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b931c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1743 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b92c60) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1744 execute_command_internal (command=0x2b92c60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1745 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b92c30) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1746 execute_command_internal (command=0x2b92c30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1747 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b92b50) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b92c30
>        save_current = 0x2b925d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b92c30
>#1748 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b92b50) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1749 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b92b50
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b92b30 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1750 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b925d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1751 execute_command_internal (command=0x2b925d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1752 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b925a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1753 execute_command_internal (command=0x2b925a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1754 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b924c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b925a0
>        save_current = 0x2b91f40
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b925a0
>#1755 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b924c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1756 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b924c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b924a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1757 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b91f40) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1758 execute_command_internal (command=0x2b91f40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1759 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b91f10) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1760 execute_command_internal (command=0x2b91f10, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1761 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b91e30) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b91f10
>        save_current = 0x2b918b0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b91f10
>#1762 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b91e30) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1763 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b91e30
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b91e10 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1764 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b918b0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1765 execute_command_internal (command=0x2b918b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1766 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b91880) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1767 execute_command_internal (command=0x2b91880, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1768 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b917a0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b91880
>        save_current = 0x2b91220
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b91880
>#1769 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b917a0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1770 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b917a0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b91780 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1771 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b91220) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1772 execute_command_internal (command=0x2b91220, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1773 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b911f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1774 execute_command_internal (command=0x2b911f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1775 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b91110) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b911f0
>        save_current = 0x2b90b90
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b911f0
>#1776 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b91110) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1777 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b91110
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b910f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1778 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b90b90) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1779 execute_command_internal (command=0x2b90b90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1780 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b90b60) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1781 execute_command_internal (command=0x2b90b60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1782 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b90a80) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b90b60
>        save_current = 0x2b90500
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b90b60
>#1783 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b90a80) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1784 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b90a80
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b90a60 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1785 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b90500) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1786 execute_command_internal (command=0x2b90500, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1787 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b904d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1788 execute_command_internal (command=0x2b904d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1789 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b903f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b904d0
>        save_current = 0x2b8fe70
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b904d0
>#1790 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b903f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1791 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b903f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b903d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1792 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8fe70) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1793 execute_command_internal (command=0x2b8fe70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1794 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8fe40) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1795 execute_command_internal (command=0x2b8fe40, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1796 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8fd60) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8fe40
>        save_current = 0x2b8f7e0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8fe40
>#1797 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8fd60) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1798 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8fd60
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8fd40 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1799 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8f7e0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1800 execute_command_internal (command=0x2b8f7e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1801 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8f7b0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1802 execute_command_internal (command=0x2b8f7b0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1803 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8f6d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8f7b0
>        save_current = 0x2b8f150
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8f7b0
>#1804 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8f6d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1805 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8f6d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8f6b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1806 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8f150) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1807 execute_command_internal (command=0x2b8f150, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1808 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8f120) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1809 execute_command_internal (command=0x2b8f120, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1810 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8f040) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8f120
>        save_current = 0x2b8eac0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8f120
>#1811 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8f040) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1812 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8f040
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8f020 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1813 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8eac0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1814 execute_command_internal (command=0x2b8eac0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1815 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8ea90) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1816 execute_command_internal (command=0x2b8ea90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1817 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8e9b0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8ea90
>        save_current = 0x2b8e430
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8ea90
>#1818 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8e9b0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1819 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8e9b0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8e990 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1820 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8e430) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1821 execute_command_internal (command=0x2b8e430, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1822 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8e400) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1823 execute_command_internal (command=0x2b8e400, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1824 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8e320) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8e400
>        save_current = 0x2b8dda0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8e400
>#1825 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8e320) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1826 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8e320
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8e300 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1827 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8dda0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1828 execute_command_internal (command=0x2b8dda0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1829 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8dd70) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1830 execute_command_internal (command=0x2b8dd70, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1831 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8dc90) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8dd70
>        save_current = 0x2b8d710
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8dd70
>#1832 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8dc90) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1833 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8dc90
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8dc70 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1834 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8d710) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1835 execute_command_internal (command=0x2b8d710, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1836 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8d6e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1837 execute_command_internal (command=0x2b8d6e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1838 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8d600) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8d6e0
>        save_current = 0x2b8d080
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8d6e0
>#1839 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8d600) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1840 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8d600
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8d5e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1841 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8d080) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1842 execute_command_internal (command=0x2b8d080, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1843 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8d050) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1844 execute_command_internal (command=0x2b8d050, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1845 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8cf70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8d050
>        save_current = 0x2b8c9f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8d050
>#1846 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8cf70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1847 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8cf70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8cf50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1848 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8c9f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1849 execute_command_internal (command=0x2b8c9f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1850 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8c9c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1851 execute_command_internal (command=0x2b8c9c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1852 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8c8e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8c9c0
>        save_current = 0x2b8c360
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8c9c0
>#1853 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8c8e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1854 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8c8e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8c8c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1855 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8c360) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1856 execute_command_internal (command=0x2b8c360, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1857 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8c330) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1858 execute_command_internal (command=0x2b8c330, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1859 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8c250) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8c330
>        save_current = 0x2b8bcd0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8c330
>#1860 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8c250) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1861 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8c250
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8c230 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1862 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8bcd0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1863 execute_command_internal (command=0x2b8bcd0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1864 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8bca0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1865 execute_command_internal (command=0x2b8bca0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1866 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8bbc0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8bca0
>        save_current = 0x2b8b640
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8bca0
>#1867 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8bbc0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1868 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8bbc0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8bba0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1869 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8b640) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1870 execute_command_internal (command=0x2b8b640, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1871 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8b610) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1872 execute_command_internal (command=0x2b8b610, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1873 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8b530) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8b610
>        save_current = 0x2b8afb0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8b610
>#1874 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8b530) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1875 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8b530
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8b510 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1876 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8afb0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1877 execute_command_internal (command=0x2b8afb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1878 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8af80) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1879 execute_command_internal (command=0x2b8af80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1880 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8aea0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8af80
>        save_current = 0x2b8a920
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8af80
>#1881 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8aea0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1882 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8aea0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8ae80 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1883 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8a920) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1884 execute_command_internal (command=0x2b8a920, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1885 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8a8f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1886 execute_command_internal (command=0x2b8a8f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1887 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8a810) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8a8f0
>        save_current = 0x2b8a290
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8a8f0
>#1888 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8a810) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1889 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8a810
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8a7f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1890 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8a290) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1891 execute_command_internal (command=0x2b8a290, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1892 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b8a260) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1893 execute_command_internal (command=0x2b8a260, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1894 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b8a180) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b8a260
>        save_current = 0x2b89c00
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b8a260
>#1895 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b8a180) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1896 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b8a180
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b8a160 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1897 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b89c00) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1898 execute_command_internal (command=0x2b89c00, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1899 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b89bd0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1900 execute_command_internal (command=0x2b89bd0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1901 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b89af0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b89bd0
>        save_current = 0x2b89570
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b89bd0
>#1902 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b89af0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1903 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b89af0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b89ad0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1904 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b89570) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1905 execute_command_internal (command=0x2b89570, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1906 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b89540) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1907 execute_command_internal (command=0x2b89540, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1908 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b89460) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b89540
>        save_current = 0x2b88ee0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b89540
>#1909 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b89460) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1910 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b89460
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b89440 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1911 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b88ee0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1912 execute_command_internal (command=0x2b88ee0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1913 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b88eb0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1914 execute_command_internal (command=0x2b88eb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1915 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b88dd0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b88eb0
>        save_current = 0x2b9d200
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b88eb0
>#1916 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b88dd0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1917 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b88dd0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b88db0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1918 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9d200) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1919 execute_command_internal (command=0x2b9d200, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1920 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b9d1d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1921 execute_command_internal (command=0x2b9d1d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1922 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b9d0f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b9d1d0
>        save_current = 0x2b88030
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b9d1d0
>#1923 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b9d0f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1924 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b9d0f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b9d0d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1925 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b88030) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1926 execute_command_internal (command=0x2b88030, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1927 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b88000) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1928 execute_command_internal (command=0x2b88000, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1929 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b87f20) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b88000
>        save_current = 0x2b879a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b88000
>#1930 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b87f20) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1931 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b87f20
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b87f00 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1932 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b879a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1933 execute_command_internal (command=0x2b879a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1934 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b87970) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1935 execute_command_internal (command=0x2b87970, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1936 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b87890) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b87970
>        save_current = 0x2b87310
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b87970
>#1937 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b87890) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1938 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b87890
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b87870 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1939 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b87310) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1940 execute_command_internal (command=0x2b87310, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1941 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b872e0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1942 execute_command_internal (command=0x2b872e0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1943 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b87200) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b872e0
>        save_current = 0x2b86c80
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b872e0
>#1944 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b87200) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1945 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b87200
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b871e0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1946 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b86c80) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1947 execute_command_internal (command=0x2b86c80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1948 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b86c50) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1949 execute_command_internal (command=0x2b86c50, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1950 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b86b70) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b86c50
>        save_current = 0x2b865f0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b86c50
>#1951 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b86b70) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1952 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b86b70
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b86b50 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1953 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b865f0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1954 execute_command_internal (command=0x2b865f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1955 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b865c0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1956 execute_command_internal (command=0x2b865c0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1957 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b864e0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b865c0
>        save_current = 0x2b85f60
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b865c0
>#1958 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b864e0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1959 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b864e0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b864c0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1960 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b85f60) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1961 execute_command_internal (command=0x2b85f60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1962 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b85f30) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1963 execute_command_internal (command=0x2b85f30, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1964 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b85e50) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b85f30
>        save_current = 0x2b858d0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b85f30
>#1965 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b85e50) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1966 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b85e50
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b85e30 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1967 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b858d0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1968 execute_command_internal (command=0x2b858d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1969 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b858a0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1970 execute_command_internal (command=0x2b858a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1971 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b857c0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b858a0
>        save_current = 0x2b85240
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b858a0
>#1972 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b857c0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1973 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b857c0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b857a0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1974 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b85240) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1975 execute_command_internal (command=0x2b85240, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1976 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b85210) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1977 execute_command_internal (command=0x2b85210, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1978 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b85130) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b85210
>        save_current = 0x2b84bb0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b85210
>#1979 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b85130) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1980 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b85130
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b85110 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1981 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b84bb0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1982 execute_command_internal (command=0x2b84bb0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1983 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b84b80) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1984 execute_command_internal (command=0x2b84b80, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1985 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b84aa0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b84b80
>        save_current = 0x2b84520
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b84b80
>#1986 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b84aa0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1987 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b84aa0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b84a80 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1988 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b84520) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1989 execute_command_internal (command=0x2b84520, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1990 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b844f0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1991 execute_command_internal (command=0x2b844f0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1992 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b84410) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b844f0
>        save_current = 0x2b83e90
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b844f0
>#1993 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b84410) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#1994 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b84410
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b843f0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#1995 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b83e90) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1996 execute_command_internal (command=0x2b83e90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1997 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b83e60) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#1998 execute_command_internal (command=0x2b83e60, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#1999 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b83d80) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b83e60
>        save_current = 0x2b83800
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b83e60
>#2000 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b83d80) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#2001 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b83d80
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b83d60 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#2002 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b83800) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2003 execute_command_internal (command=0x2b83800, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2004 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b837d0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2005 execute_command_internal (command=0x2b837d0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2006 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b836f0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b837d0
>        save_current = 0x2b83170
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b837d0
>#2007 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b836f0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#2008 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b836f0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b836d0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#2009 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b83170) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2010 execute_command_internal (command=0x2b83170, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2011 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b83140) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2012 execute_command_internal (command=0x2b83140, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2013 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b83060) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b83140
>        save_current = 0x2b82ae0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b83140
>#2014 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b83060) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#2015 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b83060
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b83040 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#2016 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b82ae0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2017 execute_command_internal (command=0x2b82ae0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2018 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b82ab0) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2019 execute_command_internal (command=0x2b82ab0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2020 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b829d0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b82ab0
>        save_current = 0x2b82450
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b82ab0
>#2021 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b829d0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#2022 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b829d0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b829b0 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#2023 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b82450) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2024 execute_command_internal (command=0x2b82450, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2025 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b82420) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2026 execute_command_internal (command=0x2b82420, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2027 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b82340) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b82420
>        save_current = 0x2b81dc0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b82420
>#2028 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b82340) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#2029 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b82340
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b82320 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#2030 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b81dc0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2031 execute_command_internal (command=0x2b81dc0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2032 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b81d90) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2033 execute_command_internal (command=0x2b81d90, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2034 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b81cb0) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b81d90
>        save_current = 0x2b81730
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b81d90
>#2035 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b81cb0) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#2036 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b81cb0
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b81c90 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#2037 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b81730) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2038 execute_command_internal (command=0x2b81730, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2039 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b81700) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2040 execute_command_internal (command=0x2b81700, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2041 0x000000000043440e in execute_function (var=var@entry=0x1a9eac0, flags=flags@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690, async=async@entry=0, subshell=subshell@entry=0, words=0x2b81620) at execute_cmd.c:4318
>        return_val = <optimized out>
>        result = 0
>        tc = 0x2b81700
>        save_current = 0x2b810a0
>        debug_trap = <optimized out>
>        error_trap = <optimized out>
>        return_trap = <optimized out>
>        funcname_v = 0x1a94590
>        nfv = <optimized out>
>        bash_source_v = <optimized out>
>        bash_lineno_v = <optimized out>
>        funcname_a = <optimized out>
>        bash_source_a = 0x1a93e60
>        bash_lineno_a = 0x1a93f70
>        shell_fn = <optimized out>
>        sfile = <optimized out>
>        t = <optimized out>
>        fc = 0x2b81700
>#2042 0x0000000000431a8c in execute_builtin_or_function (flags=0, fds_to_close=0x1aa1690, redirects=<optimized out>, var=0x1a9eac0, builtin=0, words=0x2b81620) at execute_cmd.c:4548
>        saved_undo_list = 0x0
>        ofifo = 0
>        ofifo_list = 0x0
>        result = <optimized out>
>        nfifo = <optimized out>
>        osize = <optimized out>
>#2043 execute_simple_command (simple_command=<optimized out>, pipe_in=pipe_in@entry=-1, pipe_out=pipe_out@entry=-1, async=async@entry=0, fds_to_close=fds_to_close@entry=0x1aa1690) at execute_cmd.c:3956
>        words = 0x2b81620
>        lastword = <optimized out>
>        command_line = 0x0
>        lastarg = 0x2b81600 "-i"
>        temp = <optimized out>
>        first_word_quoted = 0
>        result = <optimized out>
>        builtin_is_special = <optimized out>
>        already_forked = 0
>        dofork = <optimized out>
>        old_last_async_pid = <optimized out>
>        builtin = 0
>        func = <optimized out>
>        old_builtin = 0
>        old_command_builtin = 0
>#2044 0x0000000000432873 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b810a0) at execute_cmd.c:747
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = 0
>        my_undo_list = 0x0
>        last_pid = -1
>        save_line_number = 106
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2045 execute_command_internal (command=0x2b810a0, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>#2046 0x0000000000432613 in execute_command_internal (fds_to_close=0x1aa1690, pipe_out=-1, pipe_in=-1, asynchronous=0, command=0x2b81070) at execute_cmd.c:895
>        exec_result = 0
>        invert = 0
>        ignore_return = 0
>        was_error_trap = <optimized out>
>        my_undo_list = 0x0
>        last_pid = <optimized out>
>        save_line_number = <optimized out>
>        user_subshell = 0
>        exec_undo_list = 0x0
>#2047 execute_command_internal (command=0x2b81070, asynchronous=0, pipe_in=-1, pipe_out=-1, fds_to_close=0x1aa1690) at execute_cmd.c:528
>        exec_result = 0
>From                To                  Syms Read   Shared Object Library
>0x00000030b1c0cd90  0x00000030b1c18c48  Yes         /lib64/libtinfo.so.5
>0x00000030a7000ea0  0x00000030a70019e0  Yes         /lib64/libdl.so.2
>0x00000030a6c1ef60  0x00000030a6d5f7a0  Yes         /lib64/libc.so.6
>0x00000030a6800b20  0x00000030a681a2e9  Yes         /lib64/ld-linux-x86-64.so.2
>0x00007f89ae5e91b0  0x00007f89ae5f067c  Yes         /lib64/libnss_files.so.2
>$1 = 0x0
>No symbol "__glib_assert_msg" in current context.
>rax            0x0	0
>rbx            0x2c0d8b0	46192816
>rcx            0xfffc	65532
>rdx            0x0	0
>rsi            0x1f	31
>rdi            0x10	16
>rbp            0x2c0da90	0x2c0da90
>rsp            0x7fff891aa000	0x7fff891aa000
>r8             0x0	0
>r9             0x0	0
>r10            0xa	10
>r11            0x30a6d7a550	208957580624
>r12            0x2c0d870	46192752
>r13            0x0	0
>r14            0x2c0dab1	46193329
>r15            0x2c0d8f0	46192880
>rip            0x42aeb9	0x42aeb9 <alloc_word_desc+57>
>eflags         0x10206	[ PF IF RF ]
>cs             0x33	51
>ss             0x2b	43
>ds             0x0	0
>es             0x0	0
>fs             0x0	0
>gs             0x0	0
>Dump of assembler code for function alloc_word_desc:
>   0x000000000042ae80 <+0>:	mov    0x2b9146(%rip),%eax        # 0x6e3fcc <wdcache+12>
>   0x000000000042ae86 <+6>:	test   %eax,%eax
>   0x000000000042ae88 <+8>:	jle    0x42aeb0 <alloc_word_desc+48>
>   0x000000000042ae8a <+10>:	mov    0x2b912f(%rip),%rdx        # 0x6e3fc0 <wdcache>
>   0x000000000042ae91 <+17>:	sub    $0x1,%eax
>   0x000000000042ae94 <+20>:	mov    %eax,0x2b9132(%rip)        # 0x6e3fcc <wdcache+12>
>   0x000000000042ae9a <+26>:	cltq   
>   0x000000000042ae9c <+28>:	mov    (%rdx,%rax,8),%rax
>   0x000000000042aea0 <+32>:	movl   $0x0,0x8(%rax)
>   0x000000000042aea7 <+39>:	movq   $0x0,(%rax)
>   0x000000000042aeae <+46>:	retq   
>   0x000000000042aeaf <+47>:	nop
>   0x000000000042aeb0 <+48>:	sub    $0x8,%rsp
>   0x000000000042aeb4 <+52>:	mov    $0x10,%edi
>=> 0x000000000042aeb9 <+57>:	callq  0x46a360 <xmalloc>
>   0x000000000042aebe <+62>:	movl   $0x0,0x8(%rax)
>   0x000000000042aec5 <+69>:	movq   $0x0,(%rax)
>   0x000000000042aecc <+76>:	add    $0x8,%rsp
>   0x000000000042aed0 <+80>:	retq   
>End of assembler dump.

Actions: View

Attachments on bug 903497: 686507 | 686508 | 686509 | 686510 | 686511 | 686512 | 686513 | 686514 | 686515 | 686516 | 686517 | 686518