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 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

 /*

  * Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/licenses/publicdomain/

  * Contributor: Jason Orendorff

  */

 //-----------------------------------------------------------------------------

 var BUGNUMBER = 503860;

 var summary = "Don't shadow a readonly or setter proto-property";

 var expect = "PASS";

 var actual = "FAIL";

 var a = {y: 1};

 function B(){}

 B.prototype.__defineSetter__('x', function setx(val) { actual = expect; });

 var b = new B;

 b.y = 1;

 var arr = [a, b];       // same shape prior to bug 497789 fix

 for (var obj of arr)

     obj.x = 2;          // should call b's setter but doesn't

 reportCompare(expect, actual, summary);