[Bug tree-optimization/120331] match causes an extra assignment sometimes

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120331

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 61460
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61460&action=edit
Patch which I am testing