--- old/src/share/classes/sun/tools/tree/AssignOpExpression.java	2014-04-08 15:39:51.000000000 -0700
+++ new/src/share/classes/sun/tools/tree/AssignOpExpression.java	2014-04-08 15:39:51.000000000 -0700
@@ -53,7 +53,7 @@
      * Select the type
      *
      */
-
+    @SuppressWarnings("fallthrough")
     final void selectType(Environment env, Context ctx, int tm) {
         Type rtype = null;      // special conversion type for RHS
         switch(op) {