--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/NASHORN-62.js	Fri Dec 21 16:36:24 2012 -0400
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ * 
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ * 
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * NASHORN-62 :  Callsite not guarded property
+ *
+ * @test
+ * @run
+ */
+
+function X() {}
+X.prototype.toString = function() {
+    return  this.name;
+}
+
+function Y() {
+}
+
+Y.prototype = Object.create(X.prototype);
+Y.prototype.name = "Y";
+
+var y = new Y();
+
+function Z() {
+}
+
+Z.prototype = Object.create(X.prototype);
+Z.prototype.name = "Z";
+var z = new Z();
+
+print("y.toString() " + y.toString());
+print("z.toString() " + z.toString());