Accessor functions should have no prototype property

test/mjsunit/harmony/classes.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-classes --harmony-sloppy
 
 (function TestBasics() {
   var C = class C {}
   assertEquals(typeof C, 'function');
   assertEquals(C.__proto__, Function.prototype);
@@ skipping 180 matching lines @@
   assertEquals('function', typeof descr.value);
   assertFalse('prototype' in descr.value);
 }
 
 
 function assertGetterDescriptor(object, name) {
   var descr = Object.getOwnPropertyDescriptor(object, name);
   assertTrue(descr.configurable);
   assertFalse(descr.enumerable);
   assertEquals('function', typeof descr.get);
+  assertFalse('prototype' in descr.get);
   assertEquals(undefined, descr.set);
 }
 
 
 function assertSetterDescriptor(object, name) {
   var descr = Object.getOwnPropertyDescriptor(object, name);
   assertTrue(descr.configurable);
   assertFalse(descr.enumerable);
   assertEquals(undefined, descr.get);
   assertEquals('function', typeof descr.set);
+  assertFalse('prototype' in descr.set);
 }
 
 
 function assertAccessorDescriptor(object, name) {
   var descr = Object.getOwnPropertyDescriptor(object, name);
   assertTrue(descr.configurable);
   assertFalse(descr.enumerable);
   assertEquals('function', typeof descr.get);
   assertEquals('function', typeof descr.set);
+  assertFalse('prototype' in descr.get);
+  assertFalse('prototype' in descr.set);
 }
 
 
 (function TestMethods() {
   class C {
     method() { return 1; }
     static staticMethod() { return 2; }
     method2() { return 3; }
     static staticMethod2() { return 4; }
   }
@@ skipping 640 matching lines @@
     }
   };
   new C3();
 
   class C4 extends Object {
     constructor() {
       super(new super());
     }
   }; new C4();
 }());