https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98906
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #1) > I think this code is undefined/unspecified as -86 is outside the range of an > unsigned int. Even with changing to cast to int first still gives the same. Note the cast to int is needed first to get correct results.