--- old/src/share/classes/sun/tools/java/Environment.java	2014-04-09 21:57:38.000000000 -0700
+++ new/src/share/classes/sun/tools/java/Environment.java	2014-04-09 21:57:38.000000000 -0700
@@ -648,6 +648,7 @@
      * Return true if an implicit cast from this type to
      * the given type is allowed.
      */
+    @SuppressWarnings("fallthrough")
     public boolean implicitCast(Type from, Type to) throws ClassNotFound {
         if (from == to)
             return true;