--- jsr166/src/jsr166y/ForkJoinPool.java	2009/07/27 21:41:53	1.29
+++ jsr166/src/jsr166y/ForkJoinPool.java	2009/07/29 12:05:55	1.30
@@ -1056,7 +1056,7 @@ public class ForkJoinPool extends Abstra
      * @param c the collection to transfer elements into
      * @return the number of elements transferred
      */
-    protected int drainTasksTo(Collection<ForkJoinTask<?>> c) {
+    protected int drainTasksTo(Collection<? super ForkJoinTask<?>> c) {
         int n = submissionQueue.drainTo(c);
         ForkJoinWorkerThread[] ws = workers;
         if (ws != null) {