--- jsr166/src/test/tck/MapTest.java	2019/04/24 17:29:50	1.5
+++ jsr166/src/test/tck/MapTest.java	2019/07/08 21:17:16	1.7
@@ -95,6 +95,7 @@ public class MapTest extends JSR166TestC
      */
     public void testBug8186171() {
         if (!impl.supportsSetValue()) return;
+        if (!atLeastJava10()) return; // jdk9 is abandoned
         final ThreadLocalRandom rnd = ThreadLocalRandom.current();
         final boolean permitsNullValues = impl.permitsNullValues();
         final Object v1 = (permitsNullValues && rnd.nextBoolean())
@@ -180,7 +181,7 @@ public class MapTest extends JSR166TestC
         final ThreadLocalRandom rnd = ThreadLocalRandom.current();
         final int size = rnd.nextInt(4);
         final Map map = impl.emptyMap();
-        for (int i = size; i--> 0; )
+        for (int i = 0; i < size; i++)
             map.put(impl.makeKey(i), impl.makeValue(i));
         final Map clone = cloneableClone(map);
         if (clone == null) return;      // not cloneable?