--- jsr166/src/test/tck/StampedLockTest.java	2020/08/12 16:15:28	1.46
+++ jsr166/src/test/tck/StampedLockTest.java	2021/01/26 13:33:06	1.47
@@ -1401,7 +1401,7 @@ public class StampedLockTest extends JSR
         final long testDurationMillis = expensiveTests ? 1000 : 2;
         final int nTasks = ThreadLocalRandom.current().nextInt(1, 10);
         final AtomicBoolean done = new AtomicBoolean(false);
-        final List<CompletableFuture> futures = new ArrayList<>();
+        final List<CompletableFuture<?>> futures = new ArrayList<>();
         final List<Callable<Long>> stampedWriteLockers = List.of(
             () -> sl.writeLock(),
             () -> writeLockInterruptiblyUninterrupted(sl),