first-letter-text-fragment-crash.html

<html>
    <style>
        .test1:first-letter { content : ""; }
        .test2:first-letter { text-align : center; }
    </style>
    <div class="test1">
    <div class="test2">
    PASS
    </div>
    </div>
    <script>
        if (window.testRunner)
            testRunner.dumpAsText();

        document.execCommand("selectall");
        document.designMode = "on";
        document.execCommand("ForeColor", false, "red");
    </script>
</html>

chromium/third_party/blink/web_tests/fast/css/first-letter-text-fragment-crash.html