child-layer-position-with-clip-path-overflow.html

<!DOCTYPE html>
<div style="clip-path:inset(-100px 0 0 0); width:100px; height:100px; will-change:opacity;">
  <div style="width:100px; height:100px; background:green; will-change:opacity;"></div>
</div>

chromium/third_party/blink/web_tests/compositing/geometry/child-layer-position-with-clip-path-overflow.html