[Bug tree-optimization/120138] (14/15/16) -Wmaybe-uninitialized triggered after specific optimizations

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120138

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
-fvisibility-inlines-hidden  -Wall -Wextra  -Wno-deprecated-declarations
-Wunknown-pragmas -Wimplicit-fallthrough -Wno-strict-aliasing -O3 -DNDEBUG
-std=c++20 -fPIC -fvisibility=hidden -m64 -mavx2 -mfma -mavx512f -mavx512bw
-mavx512dq -mavx512vl