test/mjsunit/harmony/proxies-global-reference.js

// Copyright 2015 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: --harmony-proxies

var failing_proxy = new Proxy({}, new Proxy({}, {
  get() { throw "No trap should fire" }}));

Object.setPrototypeOf(Object.prototype, failing_proxy);
assertThrows(()=>a, TypeError);

Object.setPrototypeOf(this, failing_proxy);
assertThrows(()=>a, TypeError);