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chromium/third_party/blink/web_tests/dom/mutation-event-tests/fast/events/event-listener-on-link-crash.html 

<!DOCTYPE html>
<html>
<head>
<script>
testRunner.dumpAsText();
function init() {
    document.getElementById('test').addEventListener('DOMSubtreeModified',function () {
		alert('Subtree modified!')
	},false);
}
</script>
<link rel="Top" id="test" href="#">
</head>
<body onload="init()">
This tests that you can successfully add a DOMSubtreeModified event listener to a link element, and the page should load without crashing.
</body>
</html>