[Bug middle-end/93086] build_nonstandard_integer_type should take signop instead of int

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93086

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 51145
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51145&action=edit
Patch in test

This patch is bigger than I wanted it to be as there has been many more uses of
build_nonstandard_integer_type than when I originally looked into it.