// 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 (function sloppyPackedArguments() { function f(a) { for (var i = 0; i < 2; i++) { a[i] = 0; } } var boom; function g() { var a = arguments; f(a); boom = a[5]; assertEquals(undefined, boom); } f([]); g(1); })(); (function strictPackedArguments() { "use strict"; function f(a) { for (var i = 0; i < 2; i++) { a[i] = 0; } } var boom; function g() { var a = arguments; f(a); boom = a[5]; assertEquals(undefined, boom); } f([]); g(1); })();