// 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.

'use strict';

assertThrows(function() { for (const i = 0; ; i++) {} }, TypeError);
assertThrows("'use strict'; for (const i = 0; ; i++) {}", TypeError);
