https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71202
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- There are three distant types for char: char, unsigned char, signed char. -funsigned-char/-fsigned-char just changes the signedness of the pain char type, it does not change the type of char to be one of the other types.