--- a/test/jdk/java/util/concurrent/tck/BlockingQueueTest.java	Thu Jun 21 11:10:44 2018 -0400
+++ b/test/jdk/java/util/concurrent/tck/BlockingQueueTest.java	Thu Jun 21 08:25:03 2018 -0700
@@ -161,7 +161,7 @@
     public void testToArray_NullArray() {
         final Collection q = emptyCollection();
         try {
-            q.toArray(null);
+            q.toArray((Object[])null);
             shouldThrow();
         } catch (NullPointerException success) {}
     }