float-at-start-of-clean-lines-that-are-subsequently-dirtied.html

<!DOCTYPE html>
<style>
.float {
    float: left;
}
html, body, #container {
    overflow-y: scroll;
    width: 22%;
}
</style>
<div id="container">
    <span id="span">r</span><div class="float">a </div>0 <span>&#xB;</span><div class="float">a</div>
</div>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();
    document.body.offsetTop;
    var span = document.getElementById('span');
    span.removeChild(span.childNodes[0]);
</script>
<p>crbug.com/557068: Update float index when we encounter clean float at the end of a line. Shouldn't assert.</p>

chromium/third_party/blink/web_tests/fast/block/float/float-at-start-of-clean-lines-that-are-subsequently-dirtied.html