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.