https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92230
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Overflow for sub works both directions. Unless I am misunderstanding what you are asking.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92230
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Overflow for sub works both directions. Unless I am misunderstanding what you are asking.