src/v8/test/mjsunit/regress/regress-crbug-628573.js

// 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.

// Flags: --allow-natives-syntax

var z = {valueOf: function() { return 3; }};

(function() {
  try {
    var tmp = { x: 12 };
    with (tmp) {
      z++;
    }
    throw new Error("boom");
  } catch(e) {}
})();