https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89251
--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Kochise from comment #5) > That the "standard" never really ruled about bitfield order is already > baffling and common sense (ie. current implementation) telling to start from > bit 0 and upward is a good thing. PowerPC bit-field ordering is different than that too.