src/third_party/v8/test/intl/regress-966285.js - cobalt - Git at Google

 // 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);
	// 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);