| // Copyright 2017 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 a = Object.freeze({}); | |
| assertThrows(() => class C {[a.b = "foo"]() {}}, TypeError); | |
| assertThrows(() => class C extends (a.c = null) {}, TypeError); |