chromium/third_party/blink/web_tests/external/wpt/compat/webkit-box-removing-triggering-anonymous-merge.html

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div style="display: -webkit-box">
  <span><div></div></span>
  <div id="target"></div>
  text
</div>
<script>
test(function() {
  // Force a layout before removing.
  document.body.offsetTop;
  document.getElementById('target').remove();
}, '-webkit-box: removal of child');
</script>