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chromium/third_party/blink/web_tests/external/wpt/css/css-contain/crashtests/contain-nested-crash-004.html 

<!DOCTYPE html>
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1439692">
<style>
body, fieldset { contain: strict; }
</style>
<script>
function crash() {
  document.body.offsetTop;
  document.body.appendChild(document.createElement("fieldset"));
}
</script>
<body onload="crash()">