test/Function/arguments4.js

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

function foo(x, x)
{
   return x == 2;
}

if (foo(1,2))
    WScript.Echo("Passed\n");
else
    WScript.Echo("FAILED\n");