chromium/third_party/blink/web_tests/editing/inserting/insert-without-enclosing-block.html

<feSpotLight><sub id="div" contenteditable="true"><script>
if (window.testRunner)
    testRunner.dumpAsText();

window.getSelection().collapse(div, 0);
document.execCommand("InsertHTML", false, "<dl>");

document.writeln('This test ensures WebKit does not crash.<br><br>PASS');
</script>