Created attachment 394727 [details]
Java program which creates a java.util.Properties object

Description of problem:
gdb segfaults when asked to print a java.util.Properties value

Version-Release number of selected component (if applicable):
gdb-7.0.1-31.fc12.i686

How reproducible:
Always

Steps to Reproduce:
1. Download attached file
2. gcj -g PropsBug.java --main=PropsBug
3. gdb --args gdb ./a.out
4. r
5. b PropsBug.java:7
6. r
7. p *info
  
Actual results:
warning: RTTI symbol not found for class 'java::util::Properties'

Program received signal SIGSEGV, Segmentation fault.
gdb_bfd_ref (abfd=0x0) at ../../gdb/objfiles.c:1350
1350      int *p_refcount = bfd_usrdata (abfd);
(gdb) bt
#0  gdb_bfd_ref (abfd=0x0) at ../../gdb/objfiles.c:1350
#1  0x08085acc in allocate_objfile (abfd=<value optimized out>, flags=<value optimized out>) at ../../gdb/objfiles.c:185
#2  0x081e982c in get_dynamics_objfile () at ../../gdb/jv-lang.c:79
#3  0x081ea85d in type_from_class (gdbarch=<value optimized out>, clas=<value optimized out>) at ../../gdb/jv-lang.c:272
#4  0x081eb007 in evaluate_subexp_java (expect_type=<value optimized out>, exp=<value optimized out>, pos=<value optimized out>, 
    noside=<value optimized out>) at ../../gdb/jv-lang.c:884
#5  0x0812d5c0 in evaluate_expression (exp=<value optimized out>) at ../../gdb/eval.c:167
#6  0x08144c94 in print_command_1 (exp=0x843688a "*info", inspect=0, voidprint=<value optimized out>) at ../../gdb/printcmd.c:905
#7  0x0808c6da in execute_command (p=0x843688e "o", from_tty=<value optimized out>) at ../../gdb/top.c:454
#8  0x081786dc in command_handler (command=0x8436888 "p *info") at ../../gdb/event-top.c:516
#9  0x08179422 in command_line_handler (rl=<value optimized out>) at ../../gdb/event-top.c:741
#10 0x009bdf32 in rl_callback_read_char () at ../callback.c:208
#11 0x0817882c in rl_callback_read_char_wrapper (client_data=<value optimized out>) at ../../gdb/event-top.c:179
#12 0x08177cc1 in handle_file_event (data=...) at ../../gdb/event-loop.c:826
#13 0x081774fb in process_event () at ../../gdb/event-loop.c:395
#14 0x081783ba in gdb_do_one_event (data=<value optimized out>) at ../../gdb/event-loop.c:473
#15 0x0817262d in catch_errors (func=<value optimized out>, func_args=<value optimized out>, errstring=<value optimized out>, mask=<value optimized out>)
    at ../../gdb/exceptions.c:510
#16 0x080f38dc in tui_command_loop (data=<value optimized out>) at ../../gdb/tui/tui-interp.c:156
#17 0x08172d13 in current_interp_command_loop () at ../../gdb/interps.c:291
#18 0x0808212c in captured_command_loop (data=<value optimized out>) at ../../gdb/main.c:227
#19 0x0817262d in catch_errors (func=<value optimized out>, func_args=<value optimized out>, errstring=<value optimized out>, mask=<value optimized out>)
    at ../../gdb/exceptions.c:510
#20 0x08082a44 in captured_main (data=<value optimized out>) at ../../gdb/main.c:949
#21 0x0817262d in catch_errors (func=<value optimized out>, func_args=<value optimized out>, errstring=<value optimized out>, mask=<value optimized out>)
    at ../../gdb/exceptions.c:510
#22 0x08082063 in gdb_main (args=<value optimized out>) at ../../gdb/main.c:959
#23 0x0808201a in main (argc=<value optimized out>, argv=<value optimized out>) at ../../gdb/gdb.c:47

Expected results:
{}