UZ_ITEMS_SLEEPERS
MPASS(UZ_ITEMS_SLEEPERS(old) < UZ_ITEMS_SLEEPERS_MAX);
if (UZ_ITEMS_SLEEPERS(old) != 0 ||
if (UZ_ITEMS_SLEEPERS(new) == 0) {
} else if (total + count < max && UZ_ITEMS_SLEEPERS(old) != 0)
if (__predict_true(UZ_ITEMS_SLEEPERS(old) == 0 ||