<!DOCTYPE html>
<html>
<head>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

function runTest() {
    var iframe = document.getElementById("iframe");
    var iframeWindow = window[0];
    var toInsert = div;
    var iframeBody = iframeWindow.document.body;
    iframeBody.before(document.body);
    iframe.after(toInsert);
    console.log("PASS: did not crash");
    if (window.testRunner)
        testRunner.notifyDone();
}
</script>
</head>
<body onload="runTest()">
    <p>This test passes if it does not crash.</p>
    <form id="form">
        <textarea form="form">aaaaaaaa</textarea>
        <iframe id="iframe"></iframe>
    </form>
    <div id="div">
        <dir><object id=“wtf"></object></dir>
    <div>
</body>
</html>