https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62180
Oleg Endo <olegendo at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |olegendo at gcc dot gnu.org --- Comment #6 from Oleg Endo <olegendo at gcc dot gnu.org> --- (In reply to DJ Delorie from comment #4) > Perhaps you need this patch: > > https://gcc.gnu.org/ml/gcc-patches/2014-06/msg00993.html DJ, did you actually commit that patch? In any case, I think this issue can be closed. Using bitfields for hardware access is not really a safe thing to do. E.g. see also PR 67644.