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Test Info:

<!DOCTYPE html>
<html style="width: 1px;">
<head>
<script type="text/javascript">
function boom()
{
document.documentElement.appendChild(document.body);
document.documentElement.offsetHeight;
var v = document.getElementById("v");
v.remove();
var w = document.createElement("span");
document.body.insertBefore(w, document.body.lastChild);
}
</script>
</head>
<body onload="boom();"><div></div><div style="height: 1px;"><span><div id="v"></div></span><div style="column-count: 2;">A<div style="margin: 67108863ch 0pt;">B</div><div>C</div></div></div><span></span></body>
</html>