Lines Matching refs:root_map
347 Map root_map = old_map.FindRootMap(isolate);
348 if (root_map.is_deprecated()) {
349 JSFunction constructor = JSFunction::cast(root_map.GetConstructor());
357 if (!old_map.EquivalentToForTransition(root_map, cmode)) return {};
359 ElementsKind from_kind = root_map.elements_kind();
363 if (root_map.is_extensible() != old_map.is_extensible()) {
365 DCHECK(root_map.is_extensible());
380 root_map = root_map.LookupElementsTransitionMap(isolate, to_kind, cmode);
381 if (root_map.is_null()) return {};
386 Map result = root_map.TryReplayPropertyTransitions(