--- jsr166/src/test/tck/AbstractQueuedLongSynchronizerTest.java	2018/06/13 18:36:31	1.45
+++ jsr166/src/test/tck/AbstractQueuedLongSynchronizerTest.java	2019/08/13 23:05:18	1.48
@@ -12,7 +12,6 @@ import static java.util.concurrent.TimeU
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
-import java.util.concurrent.ThreadLocalRandom;
 import java.util.concurrent.locks.AbstractQueuedLongSynchronizer;
 import java.util.concurrent.locks.AbstractQueuedLongSynchronizer.ConditionObject;
 
@@ -1265,7 +1264,7 @@ public class AbstractQueuedLongSynchroni
 
         // A synchronizer only offering a choice of failure modes
         class Sync extends AbstractQueuedLongSynchronizer {
-            boolean pleaseThrow;
+            volatile boolean pleaseThrow;
             @Override protected boolean tryAcquire(long ignored) {
                 if (pleaseThrow) throw ex;
                 return false;
@@ -1287,7 +1286,7 @@ public class AbstractQueuedLongSynchroni
         final Thread thread = newStartedThread(new CheckedRunnable() {
             public void realRun() {
                 try {
-                    if (ThreadLocalRandom.current().nextBoolean())
+                    if (randomBoolean())
                         s.acquire(1);
                     else
                         s.acquireShared(1);