360   ElementsKind to_kind = old_map.elements_kind();  in TryUpdateNoLock()  local
372     DCHECK(to_kind == DICTIONARY_ELEMENTS ||  in TryUpdateNoLock()
373            to_kind == SLOW_STRING_WRAPPER_ELEMENTS ||  in TryUpdateNoLock()
374            IsTypedArrayElementsKind(to_kind) ||  in TryUpdateNoLock()
375            IsAnyHoleyNonextensibleElementsKind(to_kind));  in TryUpdateNoLock()
376     to_kind = info.integrity_level_source_map.elements_kind();  in TryUpdateNoLock()
378   if (from_kind != to_kind) {  in TryUpdateNoLock()
380     root_map = root_map.LookupElementsTransitionMap(isolate, to_kind, cmode);  in TryUpdateNoLock()
560   ElementsKind to_kind = new_elements_kind_;  in FindRootMap()  local
566     result_map_ = Map::AsElementsKind(isolate_, result_map_, to_kind);  in FindRootMap()
585     DCHECK(to_kind == DICTIONARY_ELEMENTS ||  in FindRootMap()
586            to_kind == SLOW_STRING_WRAPPER_ELEMENTS ||  in FindRootMap()
587            IsTypedArrayElementsKind(to_kind) ||  in FindRootMap()
588            IsAnyNonextensibleElementsKind(to_kind));  in FindRootMap()
589     to_kind = integrity_source_map_->elements_kind();  in FindRootMap()
593   if (from_kind != to_kind && to_kind != DICTIONARY_ELEMENTS &&  in FindRootMap()
594       to_kind != SLOW_STRING_WRAPPER_ELEMENTS &&  in FindRootMap()
595       to_kind != SLOW_SLOPPY_ARGUMENTS_ELEMENTS &&  in FindRootMap()
597         IsMoreGeneralElementsKindTransition(from_kind, to_kind))) {  in FindRootMap()
629   root_map_ = Map::AsElementsKind(isolate_, root_map_, to_kind);  in FindRootMap()