LayoutTests/editing/execCommand/editing-command-while-executing-typing-command-crash.html

<script>
window.onload = function() {
    if (window.testRunner)
        testRunner.dumpAsText();

    document.execCommand("selectall", false);
    document.designMode="on";
    document.execCommand("insertparagraph", false);
    document.execCommand("InsertText", false);

    document.firstChild.appendChild(document.createElement('body'));
    document.body.innerText = "This tests executing an editing command while executing a typing command.\nPASS";
};

document.addEventListener("DOMNodeRemovedFromDocument",
    function() { document.execCommand("JustifyNone", false); },true);

</script>