// Copyright 2014 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.

function foo() {
  try {
    String.prototype.length.x();
  } catch (e) {
  }
}

foo();
foo();
foo();
