--- jsr166/src/test/tck/SynchronousQueueTest.java	2019/09/05 20:54:24	1.66
+++ jsr166/src/test/tck/SynchronousQueueTest.java	2019/12/16 22:55:54	1.67
@@ -437,7 +437,7 @@ public class SynchronousQueueTest extend
     public void testToArray_null(boolean fair) {
         final SynchronousQueue q = new SynchronousQueue(fair);
         try {
-            Object[] o = q.toArray((Object[])null);
+            Object[] unused = q.toArray((Object[])null);
             shouldThrow();
         } catch (NullPointerException success) {}
     }