1993   Handle<DescriptorArray> old_descriptors(old_map->instance_descriptors());  in MigrateFastToFast()  local
2005     PropertyDetails old_details = old_descriptors->GetDetails(i);  in MigrateFastToFast()
2013         ? old_descriptors->GetValue(i)  in MigrateFastToFast()
2385   Handle<DescriptorArray> old_descriptors(  in GeneralizeRepresentation()  local
2388   PropertyDetails old_details = old_descriptors->GetDetails(modify_index);  in GeneralizeRepresentation()
2399     DCHECK(old_descriptors->GetFieldType(modify_index)->NowIs(  in GeneralizeRepresentation()
2407           old_descriptors->GetFieldType(modify_index), *new_field_type);  in GeneralizeRepresentation()
2409     old_descriptors->SetRepresentation(modify_index, new_representation);  in GeneralizeRepresentation()
2410     old_descriptors->SetValue(modify_index, *new_field_type);  in GeneralizeRepresentation()
2422     PropertyDetails old_details = old_descriptors->GetDetails(modify_index);  in GeneralizeRepresentation()
2425          (!new_field_type->NowIs(old_descriptors->GetFieldType(modify_index)) ||  in GeneralizeRepresentation()
2434     int j = target_map->SearchTransition(old_descriptors->GetKey(i));  in GeneralizeRepresentation()
2441     PropertyDetails old_details = old_descriptors->GetDetails(i);  in GeneralizeRepresentation()
2448           tmp_descriptors->GetValue(i) != old_descriptors->GetValue(i)))) {  in GeneralizeRepresentation()
2462           ? handle(old_descriptors->GetFieldType(i), isolate)  in GeneralizeRepresentation()
2463           : old_descriptors->GetValue(i)->OptimalType(  in GeneralizeRepresentation()
2472           old_descriptors->GetConstant(i) != tmp_descriptors->GetConstant(i)) {  in GeneralizeRepresentation()
2477       DCHECK_EQ(tmp_descriptors->GetValue(i), old_descriptors->GetValue(i));  in GeneralizeRepresentation()
2500     int j = target_map->SearchTransition(old_descriptors->GetKey(i));  in GeneralizeRepresentation()
2507     PropertyDetails old_details = old_descriptors->GetDetails(i);  in GeneralizeRepresentation()
2512           tmp_descriptors->GetValue(i) != old_descriptors->GetValue(i)))) {  in GeneralizeRepresentation()
2525       old_nof, old_descriptors->number_of_descriptors()) - old_nof;  in GeneralizeRepresentation()
2531          old_descriptors->number_of_descriptors());  in GeneralizeRepresentation()
2537     PropertyDetails old_details = old_descriptors->GetDetails(i);  in GeneralizeRepresentation()
2539     Descriptor d(handle(old_descriptors->GetKey(i), isolate),  in GeneralizeRepresentation()
2540                  handle(old_descriptors->GetValue(i), isolate),  in GeneralizeRepresentation()
2548     PropertyDetails old_details = old_descriptors->GetDetails(i);  in GeneralizeRepresentation()
2561         (target_descriptors->GetValue(i) != old_descriptors->GetValue(i))) {  in GeneralizeRepresentation()
2563           ? handle(old_descriptors->GetFieldType(i), isolate)  in GeneralizeRepresentation()
2564           : old_descriptors->GetValue(i)->OptimalType(  in GeneralizeRepresentation()
2593     PropertyDetails old_details = old_descriptors->GetDetails(i);  in GeneralizeRepresentation()
2594     Handle<Name> old_key(old_descriptors->GetKey(i), isolate);  in GeneralizeRepresentation()
2601           old_descriptors->GetFieldType(i), isolate);  in GeneralizeRepresentation()
2618                               old_descriptors->GetValue(i)->OptimalType(  in GeneralizeRepresentation()
2627                      handle(old_descriptors->GetValue(i), isolate),  in GeneralizeRepresentation()
2645       old_descriptors->GetKey(split_nof), *new_descriptors);  in GeneralizeRepresentation()
2648     PropertyDetails old_details = old_descriptors->GetDetails(modify_index);  in GeneralizeRepresentation()
2651         ? handle(old_descriptors->GetFieldType(modify_index), isolate)  in GeneralizeRepresentation()
2652         : HeapType::Constant(handle(old_descriptors->GetValue(modify_index),  in GeneralizeRepresentation()
2726   DescriptorArray* old_descriptors = old_map->instance_descriptors();  in TryUpdateInternal()  local
2730     int j = new_map->SearchTransition(old_descriptors->GetKey(i));  in TryUpdateInternal()
2736     PropertyDetails old_details = old_descriptors->GetDetails(i);  in TryUpdateInternal()
2744     Object* old_value = old_descriptors->GetValue(i);  in TryUpdateInternal()
6861   DescriptorArray* old_descriptors = map->instance_descriptors();  in TransitionToAccessorProperty()  local
6862   int descriptor = old_descriptors->SearchWithCache(*name, *map);  in TransitionToAccessorProperty()
6864     PropertyDetails old_details = old_descriptors->GetDetails(descriptor);  in TransitionToAccessorProperty()
6873     Handle<Object> maybe_pair(old_descriptors->GetValue(descriptor), isolate);  in TransitionToAccessorProperty()
6926   Handle<DescriptorArray> old_descriptors(map->instance_descriptors());  in CopyInsertDescriptor()  local
6932   int index = old_descriptors->SearchWithCache(*descriptor->GetKey(), *map);  in CopyInsertDescriptor()
6934     return CopyReplaceDescriptor(map, old_descriptors, descriptor, index, flag);  in CopyInsertDescriptor()