diff -r c78acf6c2f3e -r fcf89720ae71 src/share/classes/com/sun/tools/javac/comp/ConstFold.java
--- a/src/share/classes/com/sun/tools/javac/comp/ConstFold.java	Mon Dec 10 12:10:50 2012 +0000
+++ b/src/share/classes/com/sun/tools/javac/comp/ConstFold.java	Mon Dec 10 16:21:26 2012 +0000
@@ -62,9 +62,9 @@
         syms = Symtab.instance(context);
     }
 
-    static Integer minusOne = -1;
-    static Integer zero     = 0;
-    static Integer one      = 1;
+    static final Integer minusOne = -1;
+    static final Integer zero     = 0;
+    static final Integer one      = 1;
 
    /** Convert boolean to integer (true = 1, false = 0).
     */