[Bug c++/120449] g++ -Wtype-limits without -P doesn't warn on unsigned compare to zero

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120449

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Zartaj Majeed from comment #6)
> Underline is wrong and confusing with --save-temps

Don't use -save-temps if you want decent diagnostic/column info.