1535   DescriptorArray* old_descriptors = map()->instance_descriptors();  in AddFastProperty()
1620         map()->instance_descriptors()->CopyInsert(&d, REMOVE_TRANSITIONS);  in AddConstantFunctionProperty()
1659         old_map->instance_descriptors()->CopyInsert(&mark, KEEP_TRANSITIONS);  in AddConstantFunctionProperty()
1728     if (map_of_this->instance_descriptors()->number_of_descriptors() <  in AddProperty()
1819   { MaybeObject* maybe_new_descriptors = old_map->instance_descriptors()->  in ConvertDescriptorToFieldAndMapTransition()
1847   { MaybeObject* maybe_descriptors_unchecked = map()->instance_descriptors()->  in ConvertDescriptorToField()
2155   DescriptorArray* descriptors = map()->instance_descriptors();  in LookupInDescriptor()
2168   DescriptorArray* descriptors = instance_descriptors();  in LookupInDescriptors()
2315   DescriptorArray* descriptors = instance_descriptors();  in GetDescriptorContents()
2405       instance_descriptors()->CopyInsert(&desc, KEEP_TRANSITIONS);  in AddElementsTransition()
2977       DescriptorArray* target_descriptors = target_map->instance_descriptors();  in SetPropertyForResult()
3346   DescriptorArray* descs = map_of_this->instance_descriptors();  in NormalizeProperties()
3397   int index = map_of_this->instance_descriptors()->NextEnumerationIndex();  in NormalizeProperties()
3726     DescriptorArray* descriptors = this->map()->instance_descriptors();  in GetHiddenPropertiesDictionary()
3775     DescriptorArray* descriptors = this->map()->instance_descriptors();  in SetHiddenPropertiesDictionary()
4193     if (!curr->map()->instance_descriptors()->HasEnumCache()) return false;  in IsSimpleEnum()
4200           FixedArray::cast(curr->map()->instance_descriptors()->GetEnumCache());  in IsSimpleEnum()
4210   DescriptorArray* descs = instance_descriptors();  in NumberOfDescribedProperties()
4222   DescriptorArray* descs = instance_descriptors();  in PropertyIndexFor()
4234   DescriptorArray* descs = instance_descriptors();  in NextFreePropertyIndex()
4246   DescriptorArray* descs = instance_descriptors();  in FindAccessor()
4728     DescriptorArray* descs = map()->instance_descriptors();  in SlowReverseLookup()
4773           ctor->initial_map()->instance_descriptors()->RemoveTransitions();  in CopyDropDescriptors()
4833         instance_descriptors()->RemoveTransitions();  in CopyDropTransitions()
5062     IntrusiveMapTransitionIterator(instance_descriptors()).Start();  in ChildIteratorStart()
5070     IntrusiveMapTransitionIterator descriptor_iterator(instance_descriptors());  in ChildIteratorNext()
7205   DescriptorArray* descriptors = instance_descriptors();  in CreateBackPointers()
10298     DescriptorArray* descs = map()->instance_descriptors();  in GetLocalPropertyNames()