diff -r c78acf6c2f3e -r fcf89720ae71 src/share/classes/com/sun/tools/javac/comp/Flow.java
--- a/src/share/classes/com/sun/tools/javac/comp/Flow.java	Mon Dec 10 12:10:50 2012 +0000
+++ b/src/share/classes/com/sun/tools/javac/comp/Flow.java	Mon Dec 10 16:21:26 2012 +0000
@@ -246,8 +246,8 @@
          */
         SPECULATIVE_LOOP("var.might.be.assigned.in.loop", true);
 
-        String errKey;
-        boolean isFinal;
+        final String errKey;
+        final boolean isFinal;
 
         FlowKind(String errKey, boolean isFinal) {
             this.errKey = errKey;
@@ -295,7 +295,7 @@
                 }
             };
 
-            JCTree.Tag treeTag;
+            final JCTree.Tag treeTag;
 
             private JumpKind(Tag treeTag) {
                 this.treeTag = treeTag;