--- old/test/jdk/java/util/concurrent/tck/ConcurrentLinkedQueueTest.java	2017-12-07 14:44:15.000000000 -0800
+++ new/test/jdk/java/util/concurrent/tck/ConcurrentLinkedQueueTest.java	2017-12-07 14:44:15.000000000 -0800
@@ -439,7 +439,7 @@
     public void testToArray_NullArg() {
         ConcurrentLinkedQueue q = populatedQueue(SIZE);
         try {
-            q.toArray(null);
+            q.toArray((Object[])null);
             shouldThrow();
         } catch (NullPointerException success) {}
     }