Bug 190955 – ICE for GCC: dwarf2out_finish, at dwarf2out.c:14116

Bug 190955 - ICE for GCC: dwarf2out_finish, at dwarf2out.c:14116

Summary:	ICE for GCC: dwarf2out_finish, at dwarf2out.c:14116

Status:	CLOSED DUPLICATE of bug 187339

Aliases:	None

Product:	Fedora
Classification:	Fedora
Component:	gcc (Show other bugs)
Sub Component:
Version:	5
Hardware:	i686 Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Jakub Jelinek
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Reported:	2006-05-07 04:06 EDT by Igor Bukanov
Modified:	2007-11-30 17:11 EST (History)
CC List:	0 users

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Fixed In Version:
Doc Type:	Bug Fix
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Last Closed:	2006-05-09 04:27:37 EDT
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Attachments	(Terms of Use)
Preprocessed source that craches /usr/libexec/gcc/i386-redhat-linux/4.1.0/cc1 (42.12 KB, text/plain) 2006-05-07 04:06 EDT, Igor Bukanov	no flags	Details
Add an attachment (proposed patch, testcase, etc.)

Groups: None (edit)

Description Igor Bukanov 2006-05-07 04:06:44 EDT

Description of problem:

GCC crashes when compiling a C source from SpiderMonkey CVS HEAD, which is a JS
engine for Mozilla browsers.

Version-Release number of selected component (if applicable):
gcc (GCC) 4.1.0 20060304 (Red Hat 4.1.0-3)

How reproducible:

Run the attched preprocessed source against
/usr/libexec/gcc/i386-redhat-linux/4.1.0/cc1:

/usr/libexec/gcc/i386-redhat-linux/4.1.0/cc1 -quiet -ILinux_All_DBG.OBJ
-DGCC_OPT_BUG -DXP_UNIX -DSVR4 -DSYSV -D_BSD_SOURCE -DPOSIX_SOURCE
-DHAVE_LOCALTIME_R -DX86_LINUX -DDEBUG -DDEBUG_igor -DEDITLINE -DJS_VERSION=150
jscpucfg.i -quiet -dumpbase jscpucfg.c -mtune=generic -auxbase-strip jscpucfg.i
-g -Wall -Wno-format -o - -frandom-seed=0



Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:


Additional info:

Comment 1 Igor Bukanov 2006-05-07 04:06:44 EDT

Created attachment 128701 [details]
Preprocessed source that craches /usr/libexec/gcc/i386-redhat-linux/4.1.0/cc1

Comment 2 Igor Bukanov 2006-05-07 04:37:19 EDT

Here is a minimal test case to trigger the bug:

int main()
{
    if (sizeof(long) == 8) {

        volatile static union {
            long i;
            char c[8];
        } u;

        u.i = 0;
        return (u.c[0] == 0x01 && u.c[1] == 0x02);
    }

    return 0;
}


Save it as test.c or test.i and try on FC5 for x86:

gcc -c -g test.c
gcc -c -g test.i
/usr/libexec/gcc/i386-redhat-linux/4.1.0/cc1 test.i  -g

In all cases the result is:
test.i:15: internal compiler error: in dwarf2out_finish, at dwarf2out.c:14116

If I remove -g, then there is no error (kind of obvious given the source bug)

Comment 3 Jakub Jelinek 2006-05-09 04:27:37 EDT


*** This bug has been marked as a duplicate of 187339 ***

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