test/jdk/java/util/concurrent/tck/SynchronousQueueTest.java

8234131: Miscellaneous changes imported from jsr166 CVS 2020-12
Reviewed-by: martin

@@ -462,11 +462,11 @@
     public void testToArray_null()      { testToArray_null(false); }
     public void testToArray_null_fair() { testToArray_null(true); }
     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) {}
     }
 
     /**