diff -r 8dc9d7ccbb2d -r 5845df371e25 src/share/classes/sun/rmi/rmic/iiop/CompoundType.java
--- a/src/share/classes/sun/rmi/rmic/iiop/CompoundType.java	Thu May 30 10:57:52 2013 -0700
+++ b/src/share/classes/sun/rmi/rmic/iiop/CompoundType.java	Mon Jun 10 17:15:42 2013 +0100
@@ -32,6 +32,7 @@
 
 package sun.rmi.rmic.iiop;
 
+import java.util.Arrays;
 import java.util.Vector;
 import sun.tools.java.Identifier;
 import sun.tools.java.ClassNotFound;
@@ -1851,6 +1852,10 @@
             return false;
         }
 
+        public int hashCode() {
+            return getName().hashCode() ^ Arrays.hashCode(arguments);
+        }
+
         /**
          * Return a new Method object that is a legal combination of
          * this method object and another one.