--- jsr166/src/test/loops/SimpleSpinLockLoops.java	2014/12/18 18:13:06	1.7
+++ jsr166/src/test/loops/SimpleSpinLockLoops.java	2016/12/31 18:54:28	1.10
@@ -4,10 +4,10 @@
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 
-import java.util.concurrent.*;
-import java.util.concurrent.locks.*;
-import java.util.concurrent.atomic.*;
-import java.util.*;
+import java.util.concurrent.CyclicBarrier;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.atomic.AtomicInteger;
 
 public final class SimpleSpinLockLoops {
     static final ExecutorService pool = Executors.newCachedThreadPool();
@@ -77,7 +77,7 @@ public final class SimpleSpinLockLoops {
                 int x = 0;
                 int n = iters;
                 while (n-- > 0) {
-                    while (!lock.compareAndSet(0, 1)) ;
+                    do {} while (!lock.compareAndSet(0, 1));
                     int k = (sum & 3);
                     if (k > 0) {
                         x = v;