[Bug sanitizer/99168] inconsistent behavior on -O0 and -O2 with ASAN on

[marxin at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99168

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Very interesting issue, the failure is caused by IPA ICF that merges 2
variables with different alignments. I've got a patch candidate.