https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64295
Bug ID: 64295 Summary: [5 Regression] ICE: SIGSEGV (infinite recursion) with -frounding-math -funsafe-math-optimizations Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz Created attachment 34273 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34273&action=edit reduced testcase Compiler output: $ gcc -O -frounding-math -funsafe-math-optimizations testcase.c gcc: internal compiler error: Segmentation fault (program cc1) 0x40c085 execute /mnt/svn/gcc-trunk/gcc/gcc.c:2912 0x40c319 do_spec_1 /mnt/svn/gcc-trunk/gcc/gcc.c:4845 0x40e917 process_brace_body /mnt/svn/gcc-trunk/gcc/gcc.c:6128 0x40e917 handle_braces /mnt/svn/gcc-trunk/gcc/gcc.c:6042 0x40d317 do_spec_1 /mnt/svn/gcc-trunk/gcc/gcc.c:5499 0x40e917 process_brace_body /mnt/svn/gcc-trunk/gcc/gcc.c:6128 0x40e917 handle_braces /mnt/svn/gcc-trunk/gcc/gcc.c:6042 0x40d317 do_spec_1 /mnt/svn/gcc-trunk/gcc/gcc.c:5499 0x40c6a3 do_spec_1 /mnt/svn/gcc-trunk/gcc/gcc.c:5614 0x40e917 process_brace_body /mnt/svn/gcc-trunk/gcc/gcc.c:6128 0x40e917 handle_braces /mnt/svn/gcc-trunk/gcc/gcc.c:6042 0x40d317 do_spec_1 /mnt/svn/gcc-trunk/gcc/gcc.c:5499 0x40e917 process_brace_body /mnt/svn/gcc-trunk/gcc/gcc.c:6128 0x40e917 handle_braces /mnt/svn/gcc-trunk/gcc/gcc.c:6042 0x40d317 do_spec_1 /mnt/svn/gcc-trunk/gcc/gcc.c:5499 0x40e917 process_brace_body /mnt/svn/gcc-trunk/gcc/gcc.c:6128 0x40e917 handle_braces /mnt/svn/gcc-trunk/gcc/gcc.c:6042 0x40d317 do_spec_1 /mnt/svn/gcc-trunk/gcc/gcc.c:5499 0x40e917 process_brace_body /mnt/svn/gcc-trunk/gcc/gcc.c:6128 0x40e917 handle_braces /mnt/svn/gcc-trunk/gcc/gcc.c:6042 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. Tested revisions: r218658 - ICE 4_9 r218177 - OK