<!DOCTYPE html>
<html style="font-family: Ahem; font-size: 10px; -webkit-font-smoothing: none; color: white;">
<!-- WebKit bug 82630 - Incorrect placement of new child to table when before child parent is not |this|.
Test passes if you see 'B' wrapped in a table cell between ['A'] and ['C','D']. -->
<div id="container">
<div id="div1">A</div>
<div id="div2">C</div>
<div id="div3">D</div>
</div>
<script>
container = document.getElementById('container');
container.style.display = 'table-row-group';
document.body.offsetTop;
td = document.createElement('td');
td.appendChild(document.createTextNode('B'));
container.insertBefore(td, document.getElementById('div2'));
</script>
</html>