src/java.base/share/classes/java/util/concurrent/atomic/AtomicReferenceArray.java

@@ -53,10 +53,11 @@
  */
 public class AtomicReferenceArray<E> implements java.io.Serializable {
     private static final long serialVersionUID = -6209656149925076980L;
     private static final VarHandle AA
         = MethodHandles.arrayElementVarHandle(Object[].class);
+    @SuppressWarnings("serial") // Conditionally serializable
     private final Object[] array; // must have exact type Object[]
 
     /**
      * Creates a new AtomicReferenceArray of the given length, with all
      * elements initially null.