[es6] do not add caller/arguments to ES6 function definitions

test/mjsunit/harmony/object-literals-method.js

 // Copyright 2014 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.
 
 // Flags: --harmony-object-literals --allow-natives-syntax
 
 
 (function TestBasics() {
   var object = {
     method() {
@@ skipping 86 matching lines @@
   };
   var f = object.method;
   assertFalse(f.hasOwnProperty('prototype'));
   assertEquals(undefined, f.prototype);
 
   f.prototype = 42;
   assertEquals(42, f.prototype);
 })();
 
 
+(function TestNoRestrictedPropertiesStrict() {
+  var obj = {
+    method() { "use strict"; }
+  };
+  assertEquals(false, obj.method.hasOwnProperty("arguments"));
+  assertEquals(null, obj.method.arguments);
+
+  assertEquals(false, obj.method.hasOwnProperty("caller"));
+  assertEquals(null, obj.method.caller);
+})();
+
+
+(function TestNoRestrictedPropertiesSloppy() {
+  var obj = {
+    method() {}
+  };
+  assertEquals(false, obj.method.hasOwnProperty("arguments"));
+  assertEquals(null, obj.method.arguments);
+
+  assertEquals(false, obj.method.hasOwnProperty("caller"));
+  assertEquals(null, obj.method.caller);
+})();
+
+
 (function TestToString() {
   var object = {
     method() { 42; }
   };
   assertEquals('method() { 42; }', object.method.toString());
 })();
 
 
 (function TestOptimized() {
   var object = {
@@ skipping 146 matching lines @@
   var p = {};
   var object = {
     __proto__() {
       return 1;
     },
     __proto__: p
   };
   assertEquals(p, Object.getPrototypeOf(object));
   assertEquals(1, object.__proto__());
 })();