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chromium/third_party/blink/web_tests/external/wpt/accessibility/crashtests/map-inside-map-2.html 

<html>
  <img usemap="map2" class="img-outside-map">
  <map name="map2"></map>
  <script>
    const img = document.createElement('img');
    img.className = 'img-inside-map';
    img.setAttribute('usemap', '#map2');
    img.style.visibility = 'collapse';
    document.querySelector('map').appendChild(img);
  </script>
</html>