Add @@iterator to Array.prototype

test/mjsunit/harmony/array-iterator.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 18 matching lines @@
 
 
 function TestArrayPrototype() {
   assertTrue(Array.prototype.hasOwnProperty('entries'));
   assertTrue(Array.prototype.hasOwnProperty('values'));
   assertTrue(Array.prototype.hasOwnProperty('keys'));
 
   assertFalse(Array.prototype.propertyIsEnumerable('entries'));
   assertFalse(Array.prototype.propertyIsEnumerable('values'));
   assertFalse(Array.prototype.propertyIsEnumerable('keys'));
+
+  assertEquals(Array.prototype.values, Array.prototype[Symbol.iterator]);
 }
 TestArrayPrototype();
 
 
 function assertIteratorResult(value, done, result) {
   assertEquals({value: value, done: done}, result);
 }
 
 
 function TestValues() {
@@ skipping 160 matching lines @@
   }
   assertTrue(isNaN(buffer[buffer.length - 1][1]));
 
   for (var i = 0; i < buffer.length; i++) {
     assertEquals(i, buffer[i][0]);
   }
 }
 TestForArrayEntries();
 
 
+function TestForArray() {
+  var buffer = [];
+  var array = [0, 'a', true, false, null, /* hole */, undefined, NaN];
+  var i = 0;
+  for (var value of array) {
+    buffer[i++] = value;
+  }
+
+  assertEquals(8, buffer.length);
+
+  for (var i = 0; i < buffer.length - 1; i++) {
+    assertEquals(array[i], buffer[i]);
+  }
+  assertTrue(isNaN(buffer[buffer.length - 1]));
+}
+TestForArrayValues();
+
+
 function TestNonOwnSlots() {
   var array = [0];
   var iterator = array.values();
   var object = {__proto__: iterator};
 
   assertThrows(function() {
     object.next();
   }, TypeError);
 }
 TestNonOwnSlots();