<!DOCTYPE html>
<html>
  <body>
    <script>
        if (window.testRunner)
            testRunner.dumpAsText();

        var path = document.createElementNS("http://www.w3.org/2000/svg", "path");
        var seg1 = path.createSVGPathSegLinetoAbs(10, 10);
        var seg2 = path.createSVGPathSegLinetoAbs(100, 100);

        path.pathSegList.initialize(seg1);
        path.pathSegList.initialize(seg2);
        path.pathSegList.initialize(seg1);
        path.pathSegList.replaceItem(seg2, 0);
        path.pathSegList.initialize(seg1);
    </script>
  </body>
  <div>PASS: Did not crash.</div>
</html>