[Bug tree-optimization/116939] rewrite_to_defined_overflow/gimple_with_undefined_signed_overflow should also rewrite VCEs (from/to integral types) into casts

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116939

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 59368
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59368&action=edit
patch in test

Depends on a few others which either have been approved or posted.