--- a/jdk/src/share/classes/java/util/Collections.java	Thu Jun 27 19:22:51 2013 -0700
+++ b/jdk/src/share/classes/java/util/Collections.java	Tue Jun 11 13:41:38 2013 -0700
@@ -4304,6 +4304,11 @@
         }
 
         private Object readResolve() { return Collections.reverseOrder(); }
+
+        @Override
+        public Comparator<Comparable<Object>> reversed() {
+            return Comparator.naturalOrder();
+        }
     }
 
     /**
@@ -4367,6 +4372,11 @@
         public int hashCode() {
             return cmp.hashCode() ^ Integer.MIN_VALUE;
         }
+
+        @Override
+        public Comparator<T> reversed() {
+            return cmp;
+        }
     }
 
     /**