[Bug middle-end/126313] [14/15/16/17 Regression] Wrong code at -O2 on x86_64-pc-linux-gnu since r14-868

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126313

--- Comment #11 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 65127
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65127&action=edit
Patch which I am testing