node/deps/v8/test/mjsunit/regress/regress-5927.js

// 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);