Add HasOwnProperty with array indexes

src/objects.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/assert-scope.h"
@@ skipping 1836 matching lines @@
 
   // Implementation of [[HasProperty]], ECMA-262 5th edition, section 8.12.6.
   MUST_USE_RESULT static Maybe<bool> HasProperty(LookupIterator* it);
   MUST_USE_RESULT static inline Maybe<bool> HasProperty(
       Handle<JSReceiver> object, Handle<Name> name);
   MUST_USE_RESULT static inline Maybe<bool> HasElement(
       Handle<JSReceiver> object, uint32_t index);
 
   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);
   MUST_USE_RESULT static inline MaybeHandle<Object> GetProperty(
       Handle<JSReceiver> receiver, Handle<Name> name);
   MUST_USE_RESULT static inline MaybeHandle<Object> GetElement(
       Isolate* isolate, Handle<JSReceiver> receiver, uint32_t index);
 
   // Implementation of ES6 [[Delete]]
   MUST_USE_RESULT static Maybe<bool> DeletePropertyOrElement(
@@ skipping 77 matching lines @@
   // Returns the constructor name (the name (possibly, inferred name) of the
   // function that was used to instantiate the object).
   static Handle<String> GetConstructorName(Handle<JSReceiver> receiver);
 
   Context* GetCreationContext();
 
   MUST_USE_RESULT static inline Maybe<PropertyAttributes> GetPropertyAttributes(
       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);
   MUST_USE_RESULT static inline Maybe<PropertyAttributes>
   GetOwnElementAttributes(Handle<JSReceiver> object, uint32_t index);
 
   MUST_USE_RESULT static Maybe<PropertyAttributes> GetPropertyAttributes(
       LookupIterator* it);
 
   // Set the object's prototype (only JSReceiver and null are allowed values).
@@ skipping 8843 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_