Version 5.2.361.27 (cherry-pick)

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index 62ab22b11bce7738e3ae12bc7a124fae60869884..349f8db6e33df065de6a36c842b5f92f13e6c4a5 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -7148,6 +7148,19 @@ Maybe<bool> JSReceiver::HasOwnProperty(Handle<JSReceiver> object,
   return Just(attributes.FromJust() != ABSENT);
 }
 
+Maybe<bool> JSReceiver::HasOwnProperty(Handle<JSReceiver> object,
+                                       uint32_t index) {
+  if (object->IsJSObject()) {  // Shortcut
+    LookupIterator it(object->GetIsolate(), object, index, object,
+                      LookupIterator::OWN);
+    return HasProperty(&it);
+  }
+
+  Maybe<PropertyAttributes> attributes =
+      JSReceiver::GetOwnPropertyAttributes(object, index);
+  MAYBE_RETURN(attributes, Nothing<bool>());
+  return Just(attributes.FromJust() != ABSENT);
+}
 
 Maybe<PropertyAttributes> JSReceiver::GetPropertyAttributes(
     Handle<JSReceiver> object, Handle<Name> name) {
@@ -7164,6 +7177,12 @@ Maybe<PropertyAttributes> JSReceiver::GetOwnPropertyAttributes(
   return GetPropertyAttributes(&it);
 }
 
+Maybe<PropertyAttributes> JSReceiver::GetOwnPropertyAttributes(
+    Handle<JSReceiver> object, uint32_t index) {
+  LookupIterator it(object->GetIsolate(), object, index, object,
+                    LookupIterator::OWN);
+  return GetPropertyAttributes(&it);
+}
 
 Maybe<bool> JSReceiver::HasElement(Handle<JSReceiver> object, uint32_t index) {
   LookupIterator it(object->GetIsolate(), object, index, object);