RFR lint warnings in j.u.concurrent.**

[Chris Hegarty]

These changes address the remaining lint warnings in the 
j.u.concurrent.** package(s).

The changes are already in the JSR166 CVS, this is a request to bring 
them into jdk8.

diff -r 84004d0e3fdd 
src/share/classes/java/util/concurrent/CompletableFuture.java
--- a/src/share/classes/java/util/concurrent/CompletableFuture.java 
Fri Aug 09 13:50:13 2013 +0100
+++ b/src/share/classes/java/util/concurrent/CompletableFuture.java 
Fri Aug 09 15:58:41 2013 +0100
@@ -420,6 +420,7 @@ public class CompletableFuture<T> implem
      }

      /** Base class can act as either FJ or plain Runnable */
+    @SuppressWarnings("serial")
      abstract static class Async extends ForkJoinTask<Void>
          implements Runnable, AsynchronousCompletionTask {
          public final Void getRawResult() { return null; }
@@ -671,6 +672,7 @@ public class CompletableFuture<T> implem
      }

      // Opportunistically subclass AtomicInteger to use compareAndSet 
to claim.
+    @SuppressWarnings("serial")
      abstract static class Completion extends AtomicInteger implements 
Runnable {
      }

diff -r 84004d0e3fdd 
src/share/classes/java/util/concurrent/ConcurrentHashMap.java
--- a/src/share/classes/java/util/concurrent/ConcurrentHashMap.java 
Fri Aug 09 13:50:13 2013 +0100
+++ b/src/share/classes/java/util/concurrent/ConcurrentHashMap.java 
Fri Aug 09 15:58:41 2013 +0100
@@ -4716,6 +4716,7 @@ public class ConcurrentHashMap<K,V> exte
       * Base class for bulk tasks. Repeats some fields and code from
       * class Traverser, because we need to subclass CountedCompleter.
       */
+    @SuppressWarnings("serial")
      abstract static class BulkTask<K,V,R> extends CountedCompleter<R> {
          Node<K,V>[] tab;        // same as Traverser
          Node<K,V> next;
diff -r 84004d0e3fdd 
src/share/classes/java/util/concurrent/atomic/Striped64.java
--- a/src/share/classes/java/util/concurrent/atomic/Striped64.java 
Fri Aug 09 13:50:13 2013 +0100
+++ b/src/share/classes/java/util/concurrent/atomic/Striped64.java 
Fri Aug 09 15:58:41 2013 +0100
@@ -43,6 +43,7 @@ import java.util.concurrent.ThreadLocalR
   * for classes supporting dynamic striping on 64bit values. The class
   * extends Number so that concrete subclasses must publicly do so.
   */
+ at SuppressWarnings("serial")
  abstract class Striped64 extends Number {
      /*
       * This class maintains a lazily-initialized table of atomically


-Chris.