sousa-gecko/testing/web-platform/tests/dom/ranges/Range-insertNode-multiple-document-children-crash.html

<!DOCTYPE html>

<head>
    <link rel="help" href="https://github.com/servo/servo/issues/20218">
</head>

<script>
    onload = () => {
      document.open();
      try {
          document.createRange().insertNode(document.createElement("a"));
          document.createRange().insertNode(document.createElement("a"));
      } finally {
          document.close();
      }
    };
</script>