<!DOCTYPE html>
<script>
if (window.testRunner)
testRunner.dumpAsText();
</script>
<p>PASS if no crash or assertion failure.</p>
<div style="-webkit-columns:2;">
<div style="height:2em; overflow:hidden;">
<div style="height:3em;"></div>
<div style="-webkit-column-span:all;"></div>
<div style="height:1em;"></div>
</div>
</div>