// Copyright 2019 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. | |
var v = {}; | |
Object.defineProperty(v.__proto__, "calendar", | |
{ get: function() { return -1; } }); | |
assertThrows(() => new Intl.DateTimeFormat(v, 0), RangeError); |