https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88895
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> --- So just write it so that you don't invoke UB even there? Like case 8: tobyte[sizeof(T) - 8] = (unsigned char)(v >> (56 % (sizeof(T) * 8))); ?