https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99168
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to zhan3299 from comment #4) > (In reply to Martin Liška from comment #3) > > Very interesting issue, the failure is caused by IPA ICF that merges 2 > > variables with different alignments. I've got a patch candidate. > > Hi, just curious because I am also studying the source code of GCC. > > Is this issue is about sanitizer or optimization? It's bad optimization done by IPA ICF. The issue is gone with -fno-ipa-icf.
