Version 5.2.361.27 (cherry-pick)

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 391be1b4ef30cb863e567aa7d52999a321c8353b..8870accc489dafc7231c19db8065c408c255becf 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -1843,6 +1843,8 @@ class JSReceiver: public HeapObject {
 
   MUST_USE_RESULT static inline Maybe<bool> HasOwnProperty(
       Handle<JSReceiver> object, Handle<Name> name);
+  MUST_USE_RESULT static inline Maybe<bool> HasOwnProperty(
+      Handle<JSReceiver> object, uint32_t index);
 
   MUST_USE_RESULT static inline MaybeHandle<Object> GetProperty(
       Isolate* isolate, Handle<JSReceiver> receiver, const char* key);
@@ -1940,6 +1942,8 @@ class JSReceiver: public HeapObject {
       Handle<JSReceiver> object, Handle<Name> name);
   MUST_USE_RESULT static inline Maybe<PropertyAttributes>
   GetOwnPropertyAttributes(Handle<JSReceiver> object, Handle<Name> name);
+  MUST_USE_RESULT static inline Maybe<PropertyAttributes>
+  GetOwnPropertyAttributes(Handle<JSReceiver> object, uint32_t index);
 
   MUST_USE_RESULT static inline Maybe<PropertyAttributes> GetElementAttributes(
       Handle<JSReceiver> object, uint32_t index);