position-absolute-scrollbar-freeze.html

<!DOCTYPE html>
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1148288">
<link rel="match" href="position-absolute-scrollbar-freeze-ref.html">
<div style="display: flex; position: relative;">
  <div style="display: flex;">
    <div id="target1" style="width: 0px;">text</div>
  </div>
  <div id="target2" style="position: absolute; overflow: auto; top: 0; left: 0; width: 100px; max-height: 100px; display: none;">
    <div style="height: 200px; background: green;"></div>
  </div>
</div>
<script>
document.body.offsetTop;
document.getElementById('target1').innerText = '';
document.getElementById('target2').style.display = '';
</script>

chromium/third_party/blink/web_tests/external/wpt/css/css-flexbox/position-absolute-scrollbar-freeze.html