https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63472
--- Comment #3 from ak at gcc dot gnu.org ---
Another one:
0x8e23b7 crash_signal
../../gcc/gcc/toplev.c:340
0x61be46 copy_bbs(basic_block_def**, unsigned int, basic_block_def**,
edge_def**, unsigned int, edge_def**, loop*, basic_block_def*, bool)
../../gcc/gcc/cfghooks.c:1335
0x8eaecf ipa_uninstrument_transaction
../../gcc/gcc/trans-mem.c:4093
0x8eaecf ipa_tm_scan_calls_transaction
../../gcc/gcc/trans-mem.c:4167
0x8eaecf ipa_tm_execute
../../gcc/gcc/trans-mem.c:5340
0x8eaecf execute
../../gcc/gcc/trans-mem.c:5578
