--- a/jdk/test/java/util/Deque/ChorusLine.java	Sat Sep 18 06:09:48 2010 -0400
+++ b/jdk/test/java/util/Deque/ChorusLine.java	Mon Sep 20 18:05:09 2010 -0700
@@ -129,6 +129,7 @@
         deqs.add(new ArrayDeque<Integer>());
         deqs.add(new LinkedList<Integer>());
         deqs.add(new LinkedBlockingDeque<Integer>());
+        deqs.add(new ConcurrentLinkedDeque<Integer>());
 
         equal(deqs);