chromium/third_party/blink/web_tests/fast/ruby/position-sticky-crash.html

<!DOCTYPE html>
<meta charset="utf-8">
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<style>
ruby, rt {
  position: sticky;
  bottom: 0px;
}
</style>
<div style="height:10000px"></div>
<ruby>base<rt>annon</ruby>
<script>
promise_test(async () => {
  await new Promise(resolve => requestAnimationFrame(resolve));
  await new Promise(resolve => requestAnimationFrame(resolve));
}, 'position:sticky should not cause a crash');
</script>