4119   Map* root_map = old_map->FindRootMap();  in TryUpdate()  local
4120   if (!old_map->EquivalentToForTransition(root_map)) return MaybeHandle<Map>();  in TryUpdate()
4122   ElementsKind from_kind = root_map->elements_kind();  in TryUpdate()
4126     root_map = root_map->LookupElementsTransitionMap(to_kind);  in TryUpdate()
4127     if (root_map == NULL) return MaybeHandle<Map>();  in TryUpdate()
4130   Map* new_map = root_map->TryReplayPropertyTransitions(*old_map);  in TryUpdate()
4780     Map* root_map = FindRootMap();  in FindElementsKindTransitionedMap()  local
4781     if (!EquivalentToForTransition(root_map)) return nullptr;  in FindElementsKindTransitionedMap()
4782     root_map = root_map->LookupElementsTransitionMap(kind);  in FindElementsKindTransitionedMap()
4783     DCHECK_NOT_NULL(root_map);  in FindElementsKindTransitionedMap()
4787     for (root_map = root_map->ElementsTransitionMap();  in FindElementsKindTransitionedMap()
4788          root_map != nullptr && root_map->has_fast_elements();  in FindElementsKindTransitionedMap()
4789          root_map = root_map->ElementsTransitionMap()) {  in FindElementsKindTransitionedMap()
4790       Map* current = root_map->TryReplayPropertyTransitions(this);  in FindElementsKindTransitionedMap()