https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108321
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |pinskia at gcc dot gnu.org --- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I am almost positive this is due to plain char being unsigned by default on both powerpc and aarch64. Maybe the testcase should cheat and just use -fsigned-char ....