--- jsr166/src/test/tck/AbstractQueuedSynchronizerTest.java	2018/07/22 22:13:55	1.65
+++ jsr166/src/test/tck/AbstractQueuedSynchronizerTest.java	2019/08/13 00:54:51	1.66
@@ -1338,7 +1338,7 @@ public class AbstractQueuedSynchronizerT
         final Thread thread = newStartedThread(new CheckedRunnable() {
             public void realRun() {
                 try {
-                    if (ThreadLocalRandom.current().nextBoolean())
+                    if (randomBoolean())
                         s.acquire(1);
                     else
                         s.acquireShared(1);