chromium/third_party/blink/web_tests/http/tests/navigation/resources/reentrant-eventsource-onerror-crash-during-commit-iframe.html

<body>
<script>
var es = new EventSource("event-stream-with-delay.php");
es.onerror = function() {
  var es2 = new EventSource("event-stream-with-delay.php");
  es2.onerror = function() {
    top.finish();
    frameElement.remove();
  }
}
es.onopen = function() {
  location.reload();
}
</script>
</body>