// 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.

assertThrows(() => {
  new class extends Object {
    constructor() { (() => delete super[super()])(); }
  }
}, ReferenceError);
