<!DOCTYPE html>
<html>
<head>
<style type="text/css" media="screen">
.box {
width: 100px;
height: 100px;
background-color: blue;
-webkit-transform: translateZ(0);
}
</style>
</head>
<body>
<div class="box"></div>
<p><a href="https://bugs.webkit.org/show_bug.cgi?id=43167">https://bugs.webkit.org/show_bug.cgi?id=43167</a><br>
You should not hit an assertion if you load this file in a tab, then switch back and forth between other tabs.</p>
</body>
</html>