<html>
<script>
if (window.testRunner)
    testRunner.dumpAsText();
    
var iterator = document.createNodeIterator(document, NodeFilter.SHOW_ELEMENT, 0, false);
var walker = document.createTreeWalker(document, NodeFilter.SHOW_ELEMENT, 0, false);

// create lots of objects to force a garbage collection
 var i = 0;
 var s;
 while (i < 5000) {
     i = i+1.11;
    s = s + " ";
 }
 
</script>
</html>
<body>
    This tests that garbage collecting a node iterator or a tree walker without a filter doesn't crash.
</body>
</html>