145     if (input->IsSymbol()) {  in ToNumber()
204     if (input->IsSymbol()) {  in ToString()
359     } else if (x->IsSymbol()) {  in Equals()
360       if (y->IsSymbol()) {  in Equals()
423   if (object->IsSymbol()) return isolate->factory()->symbol_string();  in TypeOf()
1365     if (name->IsSymbol() && !interceptor->can_intercept_symbols()) {  in GetPropertyWithInterceptorInternal()
1391   if (!it->IsElement() && it->name()->IsSymbol() &&  in GetPropertyAttributesWithInterceptorInternal()
1478     if (name->IsSymbol() && !interceptor->can_intercept_symbols()) {  in SetPropertyWithInterceptorInternal()
1523   if (name->IsSymbol() && Symbol::cast(*name)->is_well_known_symbol()) {  in GetPropertyWithFailedAccessCheck()
6061   } else if (it->name()->IsSymbol() && !interceptor->can_intercept_symbols()) {  in DeletePropertyWithInterceptor()
6216   if (key->IsSymbol()) return key;  in ToPropertyKey()
6955   if (key->IsSymbol() && Handle<Symbol>::cast(key)->IsPrivate()) {  in DefineOwnProperty()
7700         !(k->IsSymbol() && Symbol::cast(k)->is_private())) {  in ApplyAttributesToDictionary()
15743         if (value->IsSymbol()) {  in ObjectProtoToString()
17565     if (this->IsKey(isolate, k) && !k->IsSymbol()) {  in CopyEnumKeysTo()
17623     if (key->IsSymbol()) {  in CollectKeysTo()
17633       if (!key->IsSymbol()) continue;  in CollectKeysTo()
18200   DCHECK(key->IsJSReceiver() || key->IsSymbol());  in Set()
18216   DCHECK(key->IsJSReceiver() || key->IsSymbol());  in Delete()