| // Copyright 2016 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. | |
| let p = Promise.resolve(); | |
| Object.defineProperty(p, 'then', { | |
| get: () => new Proxy(function() {}, p) | |
| }); | |
| new Promise((r) => r(p)); |