<!DOCTYPE html>
<style>
header {
-webkit-border-radius: 4in;
overflow: hidden;
}
</style>
<header>
<fieldset></fieldset>
<h1></h1>
</header>
<p>This test PASSES if it does not CRASH.</p>
<script>
if (window.testRunner)
testRunner.dumpAsText();
</script>