LayoutTests/fast/inline/blocks-in-inline-dynamic-oof-expected.html

<style>
#change_this {
  width: 20px;
  height: 20px;
  background-color: green;
}
</style>
<span>
  span start
  <div id=change_this></div>
  span end
</span>
<script>
document.body.offsetHeight;
change_this.style.position = "fixed";
</script>