<!DOCTYPE html>
<html>
<body>
PASS if no crash.
<div style="columns: 2;"><div id=nestedColumn><div style="column-span:all;"></div></div></div>
<script>
if (window.testRunner)
    testRunner.dumpAsText();
document.body.offsetTop;
nestedColumn.style.columns = "2";
</script>
</html>