This tests that block children of overflow: scroll have the correct baseline calculated.<br>
<div style="display: inline-block; background: green;">
    <div style="height: 150px; width: 200px; overflow: scroll;">
        <div>Overflow with<br>overflow: scroll</div>M<br>M<br>M<br>M<br>M<br>M<br>M<br>M<br>M<br>M<br>M
    </div>
</div>
Baseline