memcpy_noinline
memcpy_noinline((void *)&dst, (void *)&src, sizeof(src));
memcpy_noinline((void *)&dst, (void *)&uninit_src, sizeof(uninit_src));
memcpy_noinline((void *)&dst[1], (void *)&uninit_src,
memcpy_noinline((void *)&dst[0], (void *)&uninit_src[2], 8);