--- a/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java	Tue Apr 02 11:38:04 2013 -0300
+++ b/src/jdk/nashorn/internal/objects/ScriptFunctionImpl.java	Tue Apr 02 20:42:03 2013 +0530
@@ -133,6 +133,7 @@
             // use "getter" so that [[ThrowTypeError]] function's arity is 0 - as specified in step 10 of section 13.2.3
             final ScriptFunctionImpl func = new ScriptFunctionImpl("TypeErrorThrower", Lookup.TYPE_ERROR_THROWER_GETTER, null, null, false, false, false);
             func.setPrototype(UNDEFINED);
+            func.preventExtensions();
             typeErrorThrower = func;
         }
 

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/script/basic/JDK-8011237.js	Tue Apr 02 20:42:03 2013 +0530
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2010, 2013, 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.
+ */
+
+/**
+ * JDK-8011237: Object.isExtensible(Object.getOwnPropertyDescriptor(function(){"use strict"},"caller").get) should be false
+ *
+ * @test
+ * @run
+ */
+
+// ECMA Section 13.2.3 The [[ThrowTypeError]] Function Object
+// 11. Set the [[Extensible]] internal property of F to false
+
+var strictFunc = (function() { 'use strict' });
+var strictFuncCallerDesc = Object.getOwnPropertyDescriptor(strictFunc, "caller")
+var isExtensible = Object.isExtensible(strictFuncCallerDesc.get);
+if (isExtensible) {
+    fail("strict function caller's getter is extensible!");
+}