<!DOCTYPE html>
<div style="columns:4; column-gap:0; column-fill:auto; width:120px; height:50px; orphans:1; widows:1; font:8px/20px Ahem; -webkit-line-break:after-white-space;">
    <br>
    <br>
    xx
    <div style="float:left; width:1px; height:20px;"><br></div>
    <div style="float:left; width:100%; height:10px;"></div>
</div>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script>
test(() => {}, "PASS if no assertion failure or heap-use-after-free");
</script>