https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109741
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I think it should really be either __GCC_DESTRUCTIVE_SIZE or __GCC_CONSTRUCTIVE_SIZE (I always forgot which one it really). >some targets do not support this alignment. Which targets don't support alingment of 64bytes?