<!DOCTYPE html>
<p>crbug.com/511401: There should be no empty table cells and the cells should be aligned.
<table border="1">
<tr>
    <th>1</th>
    <th>2</th>
    <th>3</th>
    <th>4</th>
    <th>5</th>
    <th>6</th>
    <th>7</th>
    <th>8</th>
</tr>
<tr>
    <td style="display:block">1</td>
    <td>2</td>
    <td>3</td>
    <td>4</td>
    <td>5</td>
    <td>6</td>
    <td>7</td>
    <td>8</td>
</tr>
</table>