90   if (IsUndefined() || IsNull()) return false;  in BooleanValue()
751   if (object->IsUndefined()) {  in GetElementWithReceiver()
1188       double length = JSArray::cast(this)->length()->IsUndefined()  in JSObjectShortPrint()
1457       if (IsUndefined()) {  in HeapObjectShortPrint()
1475       if (!symbol->name()->IsUndefined()) {  in HeapObjectShortPrint()
1899         DCHECK(new_map->GetBackPointer()->IsUndefined());  in MigrateToMap()
2206     if (next->IsUndefined()) break;  in DeprecateTarget()
2218     if (back->IsUndefined()) return result;  in FindRootMap()
2230   DCHECK(GetBackPointer()->IsUndefined());  in FindLastMatchMap()
2268     if (back->IsUndefined()) break;  in FindFieldOwner()
2781   if (interceptor->setter()->IsUndefined()) return MaybeHandle<Object>();  in SetPropertyWithInterceptor()
3076        !current->IsUndefined();  in EnsureDescriptorSlack()
3344       !map->IsUndefined() && !map->is_dictionary_map() &&  in TransitionElementsToSlow()
3447   if (result->IsUndefined()) {  in SetPropertyViaPrototypesWithHandler()
3507   if (!setter->IsUndefined()) {  in SetPropertyViaPrototypesWithHandler()
3577   if (result->IsUndefined()) return maybe(ABSENT);  in GetPropertyAttributesWithHandler()
3613     writable = isolate->factory()->ToBoolean(!setter->IsUndefined());  in GetPropertyAttributesWithHandler()
3681   if (trap->IsUndefined()) {  in CallTrap()
3946   if (!interceptor->query()->IsUndefined()) {  in GetPropertyAttributesWithInterceptor()
3957   } else if (!interceptor->getter()->IsUndefined()) {  in GetPropertyAttributesWithInterceptor()
4061   if (!interceptor->query()->IsUndefined()) {  in GetElementAttributeWithInterceptor()
4069   } else if (!interceptor->getter()->IsUndefined()) {  in GetElementAttributeWithInterceptor()
4608   if (inline_value->IsUndefined()) return GetHeap()->the_hole_value();  in GetHiddenProperty()
4641       (inline_value->IsUndefined() || inline_value->IsSmi())) {  in SetHiddenProperty()
4678   if (inline_value->IsUndefined() || inline_value->IsSmi()) return;  in DeleteHiddenProperty()
4773   if (interceptor->deleter()->IsUndefined()) return MaybeHandle<Object>();  in DeletePropertyWithInterceptor()
4805   if (interceptor->deleter()->IsUndefined()) return factory->false_value();  in DeleteElementWithInterceptor()
5029     if (!key->IsUndefined()) return true;  in ReferencesObjectFromElements()
5053   if (!key->IsUndefined()) {  in ReferencesObject()
6149     DCHECK(getter->IsSpecFunction() || getter->IsUndefined() ||  in DefineAccessor()
6151     DCHECK(setter->IsSpecFunction() || setter->IsUndefined() ||  in DefineAccessor()
6394   bool use_cache = !maybe_cache->IsUndefined();  in Normalize()
7276     if (code_cache->normal_type_cache()->IsUndefined()) {  in Update()
7310       if (key->IsUndefined()) {  in UpdateDefaultCache()
7376     if (key->IsUndefined()) return key;  in LookupDefaultCache()
7389   if (!normal_type_cache()->IsUndefined()) {  in LookupNormalTypeCache()
7400     if (normal_type_cache()->IsUndefined()) return -1;  in GetIndex()
7416     DCHECK(!normal_type_cache()->IsUndefined());  in RemoveByIndex()
7532   if (code_cache->cache()->IsUndefined()) {  in Update()
7541                ->Lookup(maps, flags)->IsUndefined());  in Update()
7553   if (!cache()->IsUndefined()) {  in Lookup()
9245   if (!code_map->get(kNextMapIndex)->IsUndefined()) {  in ClearOptimizedCodeMap()
9250   DCHECK(code_map->get(kNextMapIndex)->IsUndefined());  in ClearOptimizedCodeMap()
9593   if (!script->line_ends()->IsUndefined()) return;  in InitLineEnds()
9598     DCHECK(script->source()->IsUndefined());  in InitLineEnds()
9664   if (!line_ends()->IsUndefined()) return GetLineNumberWithArray(code_pos);  in GetLineNumber()
9760   return !script()->IsUndefined() &&  in HasSourceCode()
9761          !reinterpret_cast<Script*>(script())->source()->IsUndefined();  in HasSourceCode()
10939     if (!type_feedback_info()->IsUndefined()) {  in Disassemble()
11343   DCHECK(stub->next_code_link()->IsUndefined());  in AddDependentIC()
11487   while (!head->IsUndefined()) {  in CodeListContains()
11766   if (!interceptor->setter()->IsUndefined()) {  in SetElementWithInterceptor()
12321     if (!value->IsNumber() && !value->IsUndefined()) {  in SetElement()
12718     if (raw_length->IsUndefined()) {  in TransitionElementsKind()
12824   if (!interceptor->getter()->IsUndefined()) {  in GetElementWithInterceptor()
13108   if (interceptor->getter()->IsUndefined()) return MaybeHandle<Object>();  in GetPropertyWithInterceptor()
13137   if (!interceptor->enumerator()->IsUndefined()) {  in GetKeysForNamedInterceptor()
13162   if (!interceptor->enumerator()->IsUndefined()) {  in GetKeysForIndexedInterceptor()
13780     if (element->IsUndefined()) break;  // Empty entry.  in FindEntry()
13974     if (element->IsUndefined() || element->IsTheHole()) break;  in FindInsertionEntry()
14166       if (value->IsUndefined()) {  in PrepareSlowElementsForSort()
14315       } else if (current->IsUndefined()) {  in PrepareElementsForSort()
14326         } else if (current->IsUndefined()) {  in PrepareElementsForSort()
14412       DCHECK(value->IsUndefined());  in SetValue()
14437       DCHECK(value->IsUndefined());  in ExternalArrayIntSetter()
14500       DCHECK(value->IsUndefined());  in SetValue()
14523       DCHECK(value->IsUndefined());  in SetValue()
14542       DCHECK(value->IsUndefined());  in SetValue()
15266   if (hash->IsUndefined()) {  in Lookup()
15309   if (hash->IsUndefined()) {  in Remove()
15720   if (this->table()->IsUndefined()) return false;  in HasMore()
15847   if (break_point_info->IsUndefined()) return false;  in HasBreakPoint()
15869   if (break_point_info->IsUndefined()) return;  in ClearBreakPoint()
15884   if (!break_point_info->IsUndefined()) {  in SetBreakPoint()
15895     if (debug_info->break_points()->get(i)->IsUndefined()) {  in SetBreakPoint()
15934   if (break_point_info->IsUndefined()) {  in GetBreakPointObjects()
15943   if (break_points()->IsUndefined()) return 0;  in GetBreakPointCount()
15946     if (!break_points()->get(i)->IsUndefined()) {  in GetBreakPointCount()
15959   if (debug_info->break_points()->IsUndefined()) return heap->undefined_value();  in FindBreakPointInfo()
15961     if (!debug_info->break_points()->get(i)->IsUndefined()) {  in FindBreakPointInfo()
15978   if (break_points()->IsUndefined()) return kNoBreakPointInfo;  in GetBreakPointInfoIndex()
15980     if (!break_points()->get(i)->IsUndefined()) {  in GetBreakPointInfoIndex()
15997   if (break_point_info->break_point_objects()->IsUndefined()) return;  in ClearBreakPoint()
16033   if (break_point_info->break_point_objects()->IsUndefined()) {  in SetBreakPoint()
16068   if (break_point_info->break_point_objects()->IsUndefined()) return false;  in HasBreakPointObject()
16087   if (break_point_objects()->IsUndefined()) return 0;  in GetBreakPointCount()