https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109821
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Two issues which make this undefined. First the unaligned macros still use aligned types which gcc uses for alignment of the pointer type.