diff -r e05aee7c8611 -r 9ff7640994bf jdk/src/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java
--- a/jdk/src/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java	Mon Dec 05 12:24:17 2011 +0000
+++ b/jdk/src/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java	Mon Dec 05 13:58:44 2011 +0000
@@ -113,6 +113,7 @@
         return getRaw(checkedByteOffset(i));
     }
 
+    @SuppressWarnings("unchecked")
     private E getRaw(long offset) {
         return (E) unsafe.getObjectVolatile(array, offset);
     }
@@ -150,7 +151,7 @@
     public final E getAndSet(int i, E newValue) {
         long offset = checkedByteOffset(i);
         while (true) {
-            E current = (E) getRaw(offset);
+            E current = getRaw(offset);
             if (compareAndSetRaw(offset, current, newValue))
                 return current;
         }