Version 4.9.385.31 (cherry-pick)

src/elements.h

 // Copyright 2012 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_ELEMENTS_H_
 #define V8_ELEMENTS_H_
 
 #include "src/elements-kind.h"
 #include "src/heap/heap.h"
 #include "src/isolate.h"
@@ skipping 36 matching lines @@
   // all but DICTIONARY_ELEMENTS and SLOW_SLOPPY_ARGUMENTS_ELEMENTS.
   virtual bool HasElement(Handle<JSObject> holder, uint32_t index,
                           Handle<FixedArrayBase> backing_store,
                           PropertyFilter filter = ALL_PROPERTIES) = 0;
 
   inline bool HasElement(Handle<JSObject> holder, uint32_t index,
                          PropertyFilter filter = ALL_PROPERTIES) {
     return HasElement(holder, index, handle(holder->elements()), filter);
   }
 
+  virtual bool HasAccessors(JSObject* holder) = 0;
+
   // Returns true if the backing store is compact in the given range
   virtual bool IsPacked(Handle<JSObject> holder,
                         Handle<FixedArrayBase> backing_store, uint32_t start,
                         uint32_t end) = 0;
 
   virtual Handle<Object> Get(Handle<FixedArrayBase> backing_store,
                              uint32_t entry) = 0;
 
   // Modifies the length data property as specified for JSArrays and resizes the
   // underlying backing store accordingly. The method honors the semantics of
@@ skipping 146 matching lines @@
                      bool allow_appending = false);
 
 MUST_USE_RESULT MaybeHandle<Object> ArrayConstructInitializeElements(
     Handle<JSArray> array,
     Arguments* args);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ELEMENTS_H_