[builtins] implement Array.prototype[@@iterator] in TFJ builtins

src/isolate.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_ISOLATE_H_
 #define V8_ISOLATE_H_
 
 #include <memory>
 #include <queue>
 
@@ skipping 997 matching lines @@
   void UpdateArrayProtectorOnSetPrototype(Handle<JSObject> object) {
     UpdateArrayProtectorOnSetElement(object);
   }
   void UpdateArrayProtectorOnNormalizeElements(Handle<JSObject> object) {
     UpdateArrayProtectorOnSetElement(object);
   }
   void InvalidateArraySpeciesProtector();
   void InvalidateHasInstanceProtector();
   void InvalidateIsConcatSpreadableProtector();
   void InvalidateStringLengthOverflowProtector();
+  void InvalidateArrayIteratorProtector();
 
   // Returns true if array is the initial array prototype in any native context.
   bool IsAnyInitialArrayPrototype(Handle<JSArray> array);
 
   CallInterfaceDescriptorData* call_descriptor_data(int index);
 
   AccessCompilerData* access_compiler_data() { return access_compiler_data_; }
 
   void IterateDeferredHandles(ObjectVisitor* visitor);
   void LinkDeferredHandles(DeferredHandles* deferred_handles);
@@ skipping 654 matching lines @@
 
   EmbeddedVector<char, 128> filename_;
   FILE* file_;
   int scope_depth_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ISOLATE_H_