https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71269
--- Comment #8 from kugan at gcc dot gnu.org --- (In reply to Roger Orr from comment #7) > I've got a very similar problem, building valgrind with trunk revision > 236644: > > m_mallocfree.c: In function 'sanity_check_malloc_arena': > m_mallocfree.c:1055:13: internal compiler error: Segmentation fault > static void sanity_check_malloc_arena ( ArenaId aid ) > ^~~~~~~~~~~~~~~~~~~~~~~~~ > 0xbac3df crash_signal > ../../gcc/toplev.c:333 > 0xd46249 sort_by_operand_rank > ../../gcc/tree-ssa-reassoc.c:530 > 0xd52d83 reassociate_bb > ../../gcc/tree-ssa-reassoc.c:5268 > 0xd51027 reassociate_bb > ../../gcc/tree-ssa-reassoc.c:5389 > 0xd53f7a do_reassoc > ../../gcc/tree-ssa-reassoc.c:5503 > 0xd53f7a execute_reassoc > ../../gcc/tree-ssa-reassoc.c:5590 > 0xd53f7a execute > ../../gcc/tree-ssa-reassoc.c:5629 > 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. > > I've uploaded the preprocessed input and compiler output. This Looks like what is fixed in r236673. Can you attach a per-processed src please.
