chromium/third_party/blink/web_tests/fast/ruby/oof-in-nested-ruby-crash.html

<!DOCTYPE html>
<body>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script>
// crbug.com/341126031
test(() => {
  document.body.insertAdjacentHTML('beforeend',
      '<ruby><ruby><rt><select style="position:fixed"></select></ruby></ruby>');
  document.body.offsetWidth;
}, 'No crash with an oof box in nested rubies');
</script>
</body>