[Bug c/63554] New: ice in "execute_todo, at passes.c:1797" with -O3

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63554

            Bug ID: 63554
           Summary: ice in "execute_todo, at passes.c:1797" with -O3
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com

Created attachment 33731
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33731&action=edit
C source code

Attached code, when compiled by 20141015, with flag -O3,
does the following

$ ../results/bin/gcc -c -O3 bug167.c
utilmod.c: In function ‘nssutil_AddSecmodDBEntry.isra.2’:
utilmod.c:609:1: internal compiler error: in execute_todo, at passes.c:1797
0xa1351b execute_todo
    ../../src/trunk/gcc/passes.c:1797
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
$

The code is fine with -O2.

$ ../results/bin/gcc -c -O2 bug167.c
$