v8/test/mjsunit/regress/regress-crbug-506956.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

try {
  var p = new Proxy({}, {
      getPropertyDescriptor: function() { throw "boom"; }
  });
  var o = Object.create(p);
  with (o) { delete unresolved_name; }
} catch(e) {
}