603   TransitionArray* transitions = map->unchecked_transition_array();  in MarkMapContents()  local
604   if (transitions->IsTransitionArray()) {  in MarkMapContents()
605     MarkTransitionArray(heap, transitions);  in MarkMapContents()
608     ASSERT(transitions->IsMap() || transitions->IsUndefined());  in MarkMapContents()
650     Heap* heap, TransitionArray* transitions) {  in MarkTransitionArray()  argument
651   if (!StaticVisitor::MarkObjectWithoutPush(heap, transitions)) return;  in MarkTransitionArray()
654   if (transitions->IsSimpleTransition()) return;  in MarkTransitionArray()
656   if (transitions->HasPrototypeTransitions()) {  in MarkTransitionArray()
660     Object** slot = transitions->GetPrototypeTransitionsSlot();  in MarkTransitionArray()
666   for (int i = 0; i < transitions->number_of_transitions(); ++i) {  in MarkTransitionArray()
667     StaticVisitor::VisitPointer(heap, transitions->GetKeySlot(i));  in MarkTransitionArray()