[Bug c/28592] New: Segmentation Fault running -O2 on file with deep nesting

[Bug c/28592] New: Segmentation Fault running -O2 on file with deep nesting

[rob at ennals dot org]

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Running GCC with -O2 enabled on the attached file causes a segmentation fault.
This file was reduced from a much bigger file using delta.

robennals@robennals:~/cvs/Ivy/deputytests/minim$ gcc --version
gcc (GCC) 4.0.3 (Ubuntu 4.0.3-1ubuntu5)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

robennals@robennals:~/cvs/Ivy/deputytests/minim$ gcc -O2 t.c
t.c:29: warning: ‘struct envelope’ declared inside parameter list
t.c:29: warning: its scope is only this definition or declaration, which is
probably not what you want
t.c: In function ‘sendall’:
t.c:30: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.
For Debian GNU/Linux specific bug reporting instructions,
see <URL:file:///usr/share/doc/gcc-4.0/README.Bugs>


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           Summary: Segmentation Fault running -O2 on file with deep nesting
           Product: gcc
           Version: 4.0.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rob at ennals dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28592

[Bug c/28592] Segmentation Fault running -O2 on file with deep nesting

[rob at ennals dot org]

------- Comment #1 from rob at ennals dot org  2006-08-04 00:27 -------
Created an attachment (id=12012)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=12012&action=view)
Running gcc -O2 on this file gives a segfault.

Tested using gcc (GCC) 4.0.3 (Ubuntu 4.0.3-1ubuntu5), the standard GCC build
that comes with Ubuntu.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28592

[Bug c/28592] [4.0 regression] Segmentation Fault running -O2 on file with deep nesting

[tbm at gcc dot gnu dot org]

------- Comment #2 from tbm at gcc dot gnu dot org  2006-08-04 11:34 -------
I can confirm this on i386 with 4.0.4 20060804.


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tbm at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2006-08-04 11:34:25
               date|                            |
            Summary|Segmentation Fault running -|[4.0 regression]
                   |O2 on file with deep nesting|Segmentation Fault running -
                   |                            |O2 on file with deep nesting
   Target Milestone|---                         |4.0.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28592

[Bug c/28592] [4.0 regression] Segmentation Fault running -O2 on file with deep nesting

[rguenth at gcc dot gnu dot org]

------- Comment #3 from rguenth at gcc dot gnu dot org  2007-02-01 14:41 -------
This seems to be fixed now.  (tested on x86_64 with -m32)


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |4.0.3
      Known to work|                            |4.1.0 4.0.0 4.0.1 4.0.2
                   |                            |4.0.4


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28592

[Bug c/28592] [4.0 regression] Segmentation Fault running -O2 on file with deep nesting

[gdr at gcc dot gnu dot org]

------- Comment #4 from gdr at gcc dot gnu dot org  2007-02-03 18:42 -------
Fixed in GCC-4.1.0.


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gdr at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|4.0.4                       |4.1.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28592