--- old/src/share/classes/java/lang/Throwable.java	2013-04-11 18:16:13.000000000 -0700
+++ new/src/share/classes/java/lang/Throwable.java	2013-04-11 18:16:13.000000000 -0700
@@ -1039,7 +1039,7 @@
      */
     public final synchronized void addSuppressed(Throwable exception) {
         if (exception == this)
-            throw new IllegalArgumentException(SELF_SUPPRESSION_MESSAGE);
+            throw new IllegalArgumentException(SELF_SUPPRESSION_MESSAGE, exception);
 
         if (exception == null)
             throw new NullPointerException(NULL_CAUSE_MESSAGE);