https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82820
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- > B *pb = (B *)(buf + 1); You are causing pb to be unaligned so this code is undefined which is why it crashes on arm32 while running on the arm64 kernel.