--- old/src/share/classes/com/sun/tools/apt/mirror/declaration/DeclarationImpl.java	2010-02-25 11:04:05.000000000 -0800
+++ new/src/share/classes/com/sun/tools/apt/mirror/declaration/DeclarationImpl.java	2010-02-25 11:04:05.000000000 -0800
@@ -58,7 +58,7 @@
     protected final AptEnv env;
     public final Symbol sym;
 
-    protected static DeclarationFilter identityFilter =
+    protected static final DeclarationFilter identityFilter =
             new DeclarationFilter();