[Bug tree-optimization/116938] move_stmt in phiopt should use rewrite_to_defined_overflow

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116938

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 59369
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59369&action=edit
Patch in testing with the other one