[Bug tree-optimization/120443] [13/14/15/16 regression] wrong code at -O3 since r15-1809

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120443

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
And #c2 regressed with r12-6087-g51a24e4a984536371eaf146a922124af4a6982da