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https://bugzilla.mozilla.org/show_bug.cgi?id=759621
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  <title>Test for Bug 759621</title>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=759621">Mozilla Bug 759621</a>
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<script type="application/javascript">

/** Test for Bug 759621 **/
var l = document.getElementsByTagName("*");
l.namedItem = "pass";
is(l.namedItem, "pass", "Should be able to set expando shadowing a proto prop");

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