https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67794
Bug ID: 67794 Summary: internal compiler error: Segmentation fault Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: jamrial at gmail dot com Target Milestone: --- Created attachment 36432 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36432&action=edit Preprocessed source as generated by -freport-bug In file included from /home/jamrial/ffmpeg/libavcodec/motion_est.c:295:0: /home/jamrial/ffmpeg/libavcodec/motion_est_template.c: In function ‘sab_diamond_search.isra.3’: /home/jamrial/ffmpeg/libavcodec/motion_est_template.c:679:12: internal compiler error: Segmentation fault static int sab_diamond_search(MpegEncContext * s, int *best, int dmin, ^ 0xabb4ff crash_signal /home/jamrial/gcc-svn/gcc/toplev.c:353 0xbce129 tree_check(tree_node const*, char const*, int, char const*, tree_code) /home/jamrial/gcc-svn/gcc/tree.h:3116 0xbce129 has_zero_uses /home/jamrial/gcc-svn/gcc/ssa-iterators.h:381 0xbce129 coalesce_with_default /home/jamrial/gcc-svn/gcc/tree-ssa-coalesce.c:1003 0xbce129 create_outofssa_var_map /home/jamrial/gcc-svn/gcc/tree-ssa-coalesce.c:1202 0xbcedd0 coalesce_ssa_name() /home/jamrial/gcc-svn/gcc/tree-ssa-coalesce.c:1736 0xb628fe remove_ssa_form /home/jamrial/gcc-svn/gcc/tree-outof-ssa.c:984 0xb628fe rewrite_out_of_ssa(ssaexpand*) /home/jamrial/gcc-svn/gcc/tree-outof-ssa.c:1208 0x701490 execute /home/jamrial/gcc-svn/gcc/cfgexpand.c:6100 gcc version 6.0.0 20151001 on x86_64-pc-linux-gnu. This regression was apparently introduced sometime in the last eight days.