[Bug tree-optimization/103222] [12 Regression] wrong code at -O2 and above on x86_64-linux-gnu

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103222

--- Comment #3 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
Created attachment 51783
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51783&action=edit
patch in testing