--- a/jdk/src/share/classes/java/util/BitSet.java	Tue Aug 30 14:41:12 2011 +0100
+++ b/jdk/src/share/classes/java/util/BitSet.java	Tue Aug 30 11:53:11 2011 -0700
@@ -1092,7 +1092,7 @@
             result.checkInvariants();
             return result;
         } catch (CloneNotSupportedException e) {
-            throw new InternalError();
+            throw new InternalError(e);
         }
     }