https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64102
--- Comment #4 from ktkachov at gcc dot gnu.org --- (In reply to ktkachov from comment #3) > Hmm... > Trying to bootstrap 4.9 with the same configuration and -mapcs results in an > ICE in stage2 when compiling haifa-sched.c > $SRC/gcc/haifa-sched.c:6507:1: internal compiler error: in lra_create_copy, > at lra.c:1532 > } > ^ > 0x6f240b lra_create_copy(int, int, int) > $SRC/gcc/lra.c:1532 > 0x70f447 process_bb_lives > $SRC/gcc/lra-lives.c:568 > 0x710761 lra_create_live_ranges(bool) > $SRC/gcc/lra-lives.c:1008 > 0x6f3f33 lra(_IO_FILE*) > $SRC/gcc/lra.c:2372 > 0x6ad3a1 do_reload > $SRC/gcc/ira.c:5457 > 0x6ad717 rest_of_handle_reload > $SRC/gcc/ira.c:5598 > 0x6ad75f execute > $SRC/gcc/ira.c:5627 > Please submit a full bug report, > with preprocessed source if appropriate. > > > I didn't try without -mapcs on 4.9 though, so need to check that first. Ah, this is a known bootstrap failure: PR 63740 so can't check whether the -mapcs issue is a regression until that's resolved
