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diff --git a/js/src/tests/e4x/extensions/regress-352846-03.js b/js/src/tests/e4x/extensions/regress-352846-03.js
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+/* -*- Mode: java; tab-width:8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is JavaScript Engine testing utilities.
+ *
+ * The Initial Developer of the Original Code is
+ * Mozilla Foundation.
+ * Portions created by the Initial Developer are Copyright (C) 2006
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s): Igor Bukanov
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+
+var BUGNUMBER = 352846;
+var summary = 'Passing unrooted value to OBJ_DEFAULT_VALUE is GC hazard';
+var actual = 'No Crash';
+var expect = 'No Crash';
+
+printBugNumber(BUGNUMBER);
+START(summary);
+
+var counter = 0;
+
+function prepare_xml()
+{
+  delete XML.prototype.function::toString;
+  Object.defineProperty(Object.prototype, "toString",
+                        { get: toSource_getter, enumerable: true,
+                          configurable: true });
+  return new XML("<a>xml_text</a>");
+}
+
+function toSource_getter()
+{
+  // Make sure that lastInternalResult does not contain prepare_xml
+  var tmp = { toSource: function() { return [1,2,3]; } };
+  uneval(tmp);
+
+  if (counter++ < 2) return undefined;
+
+  // run GC onr overwrite the heap
+  if (typeof gc == "function") gc();
+  var x = 1e-100;
+  for (var i = 0; i != 50000; ++i)
+    var x2 = x / 4;
+
+  // Return a function that would access this in non-trivial way to
+  // check if prepare_xml() was rooted.
+  return function() {
+    print("xxx");
+    return this.toXMLString();
+  };
+}
+
+var obj = { };
+Object.defineProperty(obj, "length",
+{
+  get: prepare_xml,
+  enumerable: true,
+  configurable: true
+});
+Array.reverse(obj);
+
+TEST(1, expect, actual);
+
+END();