<!DOCTYPE html>
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1336683">
<style>
  thead { break-inside: avoid; }
  td { padding: 0; }
  table { border-spacing: 0; }
</style>
<p>PASS if no freeze.</p>
<div style="columns:2; column-fill:auto; height:700px;">
  <table>
    <thead>
      <tr>
        <td>
          <div style="columns:2; column-fill:auto; height:120px; background:yellow;">
            <table>
              <thead>
                <tr>
                  <td>
                    <div style="width:50px; height:20px; background:hotpink;"></div>
                  </td>
                </tr>
              </thead>
              <tr><td style="height:100px;"></td></tr>
              <tr><td style="height:100px;"></td></tr>
            </table>
          </div>
        </td>
      </tr>
    </thead>
    <tr><td style="height:400px; background:blue;"></td></tr>
    <tr><td style="height:400px; background:orange;"></td></tr>
  </table>
</div>
