--- jsr166/src/test/loops/NoopSpinLockLoops.java	2014/12/31 17:00:58	1.7
+++ jsr166/src/test/loops/NoopSpinLockLoops.java	2016/12/31 22:17:40	1.10
@@ -4,10 +4,10 @@
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 
-import java.util.*;
-import java.util.concurrent.*;
-import java.util.concurrent.atomic.*;
-import java.util.concurrent.locks.*;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.atomic.AtomicInteger;
 
 public final class NoopSpinLockLoops {
     static final ExecutorService pool = Executors.newCachedThreadPool();
@@ -77,7 +77,7 @@ public final class NoopSpinLockLoops {
                 int x = sum + 1;
                 int n = iters;
                 while (n-- > 0) {
-                    while (!lock.compareAndSet(0, 1)) ;
+                    do {} while (!lock.compareAndSet(0, 1));
                     x = LoopHelpers.compute4(x);
                     lock.set(0);
                     if ((x += readBarrier) == 0)