[Bug c/77646] New: GCC Segfault with -O3

[pictavien at free dot fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77646

            Bug ID: 77646
           Summary: GCC Segfault with -O3
           Product: gcc
           Version: 5.4.0
            Status: UNCONFIRMED
          Severity: critical
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pictavien at free dot fr
  Target Milestone: ---

Created attachment 39648
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39648&action=edit
poset.c file

Hi,

I obtain the same compiler internal error when I compile the attached file with
gcc 5.4 (either on MacPorts or Linux Ubuntu).

gcc -O3 poset.c -c -o poset.o
poset.c: In function 'ar_poset_log':
poset.c:3238:1: internal compiler error: Segmentation fault
 ar_poset_log(ccl_log_type log, ar_poset *poset,
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <file:///usr/share/doc/gcc-5/README.Bugs> for instructions.