4218   Handle<DescriptorArray> old_descriptors(old_map->instance_descriptors(),  in MigrateFastToFast()  local
4233     PropertyDetails old_details = old_descriptors->GetDetails(i);  in MigrateFastToFast()
4249         value = handle(old_descriptors->GetStrongValue(i), isolate);  in MigrateFastToFast()
4568   Handle<DescriptorArray> old_descriptors(map->instance_descriptors(), isolate);  in CopyGeneralizeAllFields()  local
4571       isolate, old_descriptors, number_of_own_descriptors);  in CopyGeneralizeAllFields()
4768   Handle<DescriptorArray> old_descriptors(map->instance_descriptors(), isolate);  in GeneralizeField()  local
4769   PropertyDetails old_details = old_descriptors->GetDetails(modify_index);  in GeneralizeField()
4772   Handle<FieldType> old_field_type(old_descriptors->GetFieldType(modify_index),  in GeneralizeField()
4904   DescriptorArray* old_descriptors = old_map->instance_descriptors();  in TryReplayPropertyTransitions()  local
4908     PropertyDetails old_details = old_descriptors->GetDetails(i);  in TryReplayPropertyTransitions()
4911             .SearchTransition(old_descriptors->GetKey(i), old_details.kind(),  in TryReplayPropertyTransitions()
4937           FieldType* old_type = old_descriptors->GetFieldType(i);  in TryReplayPropertyTransitions()
4945           Object* old_value = old_descriptors->GetStrongValue(i);  in TryReplayPropertyTransitions()
4962           old_descriptors->GetStrongValue(i) !=  in TryReplayPropertyTransitions()
10103   DescriptorArray* old_descriptors = map->instance_descriptors();  in TransitionToAccessorProperty()  local
10108     PropertyDetails old_details = old_descriptors->GetDetails(descriptor);  in TransitionToAccessorProperty()
10118     Handle<Object> maybe_pair(old_descriptors->GetStrongValue(descriptor),  in TransitionToAccessorProperty()
10189   Handle<DescriptorArray> old_descriptors(map->instance_descriptors(), isolate);  in CopyInsertDescriptor()  local
10193       old_descriptors->SearchWithCache(isolate, *descriptor->GetKey(), *map);  in CopyInsertDescriptor()
10195     return CopyReplaceDescriptor(isolate, map, old_descriptors, descriptor,  in CopyInsertDescriptor()