29       old_map_(old_map),  in MapUpdater()
31       old_nof_(old_map_->NumberOfOwnDescriptors()),  in MapUpdater()
32       new_elements_kind_(old_map_->elements_kind()),  in MapUpdater()
107   DCHECK(!old_map_->is_dictionary_map());  in ReconfigureToDataField()
141       isolate_, old_map_->instance_type(), &new_constness_,  in ReconfigureToDataField()
167   DCHECK(old_map_->is_deprecated());  in Update()
183   DCHECK_EQ(*old_descriptors_, old_map_->instance_descriptors());  in GeneralizeField()
188       isolate_, old_map_, new_elements_kind_, modified_descriptor_, new_kind_,  in CopyGeneralizeAllFields()
215     old_map_->PrintGeneralization(  in TryRecofigureToDataFieldInplace()
222       old_map_->FindFieldOwner(isolate_, modified_descriptor_), isolate_);  in TryRecofigureToDataFieldInplace()
233   result_map_ = old_map_;  in TryRecofigureToDataFieldInplace()
241   root_map_ = handle(old_map_->FindRootMap(isolate_), isolate_);  in FindRootMap()
253   if (!old_map_->EquivalentToForTransition(*root_map_)) {  in FindRootMap()
277         (!FLAG_modify_map_inplace || !old_map_->is_prototype_map())) {  in FindRootMap()
298       DCHECK(old_map_->is_prototype_map());  in FindRootMap()
299       DCHECK(old_map_->is_stable());  in FindRootMap()
301       GeneralizeField(old_map_, modified_descriptor_, new_constness_,  in FindRootMap()
395     if (*target_map_ != *old_map_) {  in FindTargetMap()
396       old_map_->NotifyLeafMapLayoutChange(isolate_);  in FindTargetMap()
433   InstanceType instance_type = old_map_->instance_type();  in BuildDescriptorArray()
670   old_map_->NotifyLeafMapLayoutChange(isolate_);  in ConstructNewMap()
696     old_map_->PrintGeneralization(  in ConstructNewMap()