| // 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: --allow-natives-syntax | |
| function c(p) { | |
| return {__proto__: p}; | |
| } | |
| var p = {}; | |
| var o = c(p); | |
| p.x = 0.6; | |
| Object.defineProperty(p, "x", { writable: false }); |