[es6] Array.prototype[Symbol.iterator].name should be 'values'

test/mjsunit/es6/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 29 matching lines @@
   assertEquals(desc.writable, !(attrs & READ_ONLY));
   assertEquals(desc.enumerable, !(attrs & DONT_ENUM));
   assertEquals(desc.configurable, !(attrs & DONT_DELETE));
 }
 
 
 function TestArrayPrototype() {
   assertHasOwnProperty(Array.prototype, 'entries', DONT_ENUM);
   assertHasOwnProperty(Array.prototype, 'keys', DONT_ENUM);
   assertHasOwnProperty(Array.prototype, Symbol.iterator, DONT_ENUM);
+  assertEquals('entries', Array.prototype.entries.name);
+  assertEquals('keys', Array.prototype.keys.name);
+  assertEquals('values', Array.prototype[Symbol.iterator].name);
 }
 TestArrayPrototype();
 
 
 function assertIteratorResult(value, done, result) {
   assertEquals({value: value, done: done}, result);
 }
 
 
 function TestValues() {
@@ skipping 186 matching lines @@
 function TestNonOwnSlots() {
   var array = [0];
   var iterator = array[Symbol.iterator]();
   var object = {__proto__: iterator};
 
   assertThrows(function() {
     object.next();
   }, TypeError);
 }
 TestNonOwnSlots();