third_party/v8/test/mjsunit/regress/regress-crbug-630561.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: --gc-interval=30

var dict_elements = {};

for (var i= 0; i< 100; i++) {
  dict_elements[2147483648 + i] = i;
}

var keys = Object.keys(dict_elements);