| // Copyright 2018 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 arr = new Array(10); | |
| Object.defineProperty(arr, 0, {value: 10, writable: false}); | |
| Object.defineProperty(arr, 9, {value: 1, writable: false}); | |
| assertThrows(() => arr.sort(), TypeError); |