// Copyright 2015 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: --promise-extra
'use strict';
Object.defineProperties(Object.prototype, {
promise: {set: assertUnreachable},
reject: {set: assertUnreachable},
resolve: {set: assertUnreachable},
});
class P extends Promise {}
P.all([Promise.resolve('ok')]);
P.race([Promise.resolve('ok')]);
P.defer();