tt_unpopulated
if (ttm->state != tt_unpopulated)
if (ttm->state == tt_unpopulated) {
if (ttm->state == tt_unpopulated) {
if (ttm->state != tt_unpopulated)
ttm->state = tt_unpopulated;
ttm->state = tt_unpopulated;
if (ttm->state != tt_unpopulated)
if (ttm->state == tt_unpopulated) {
ttm->state = tt_unpopulated;
ttm->state = tt_unpopulated;
MPASS(ttm->state == tt_unbound || ttm->state == tt_unpopulated);