rotate-then-clip.html | Explore in Territory

<!DOCTYPE html>
<div style="margin: 100px; width: 240px; height: 240px; transform: rotate(45deg)">
  <div style="overflow: hidden; width: 200px; height: 200px; border: 20px solid green">
    <div style="will-change: transform; width: 400px; height: 400px; background: blue"></div>
  </div>
</div>
<script>
if (window.testRunner)
  testRunner.setCustomTextOutput(internals.layerTreeAsText(document));
</script>

chromium/third_party/blink/web_tests/compositing/overflow/rotate-then-clip.html