<html>
<script>
function test()
{
if (window.testRunner)
testRunner.dumpAsText();
document.getElementsByTagName("div")[0].outerHTML = "PASS";
}
</script>
This tests that we do not crash when LayoutCounter traverses detached render trees.
<body onload="test()" style="counter-increment: ctr">
<object>
<b style="counter-increment: ctr"><div></div></b>
<menu style="counter-increment: ctr"></menu>
</object>
</body>
</html>