--- old/src/jdk/nashorn/internal/objects/NativeReferenceError.java	2014-01-16 22:41:54.699954336 +0530
+++ new/src/jdk/nashorn/internal/objects/NativeReferenceError.java	2014-01-16 22:41:54.627953986 +0530
@@ -44,7 +44,7 @@
 public final class NativeReferenceError extends ScriptObject {
 
     /** message property in instance */
-    @Property(name = NativeError.MESSAGE)
+    @Property(name = NativeError.MESSAGE, attributes = Attribute.NOT_ENUMERABLE)
     public Object instMessage;
 
     /** error name property */