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chromium/third_party/blink/web_tests/external/wpt/accessibility/crashtests/aria-owns-overlapping.html 

<!DOCTYPE html>
<!-- Test that multiple overlapping aria-owns relation do not crash -->

<html class="test-wait">
<main id='great-grandparent'>
  <fieldset id="grandparent">
    <p id='parent'>
      <i id='child'></i>
    </p>
  </fieldset>
</main>

<script>
document.addEventListener("DOMContentLoaded", () => {
  document.getElementById('child').setAttribute('aria-owns','grandparent');
  document.getElementById('great-grandparent').setAttribute('aria-owns','parent');
  requestAnimationFrame(() => {
    requestAnimationFrame(() => {
      document.documentElement.style.display="none";
      document.documentElement.className = '';
    });
  });
});
</script>
</html>