[Bug tree-optimization/101758] Inconsistent optimizations with UBSan

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101758

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
You can see the difference here:
float b(unsigned a) { return *(float*)&a; }
float d1(unsigned a) { unsigned t = a; return *(float*)&t; }