<style>
#x11 { display: contents }
ruby { float: left; column-count: 2 }
</style>
<script>
if (window.testRunner)
    testRunner.dumpAsText();
function main() {
    x17.after(x9);
}
</script>
<body onload="main()">
<ruby>
<span id="x11">
<rt id="x17">
<p id="x9">
This test passes if it doesn't crash.