<!DOCTYPE HTML>
<title>Testcase, bug 476357</title>
<div style="font-size: 30px;">
  <div style="float: right; height: 1px"></div>
  <div style="clear:both">.</div>
  <!-- We never give the following div a reflow with NS_FRAME_IS_DIRTY -->
  <div>Text<span>Text</span></div>
</div>