chromium/third_party/blink/web_tests/external/wpt/mathml/crashtests/mozilla/1028521-1.xhtml

<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<mstyle xmlns="http://www.w3.org/1998/Math/MathML"><li xmlns="http://www.w3.org/1999/xhtml" dir="rtl"></li></mstyle>
</body>
</html>