chromium/third_party/blink/web_tests/fast/ruby/float-in-pseudo-crash.html

<!DOCTYPE html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<style>
ruby::before {
  content: '';
  float: right;
}
</style>
<ruby></ruby>
<script>
test(() => {
  document.querySelector('ruby').getBoundingClientRect();
}, 'crbug.com/343069826: Float in a pseudo element should not cause a crash');
</script>