--- jsr166/src/main/java/util/ArrayList.java	2018/11/11 16:27:28	1.65
+++ jsr166/src/main/java/util/ArrayList.java	2019/05/02 14:31:30	1.66
@@ -1737,6 +1737,8 @@ public class ArrayList<E> extends Abstra
     @Override
     public void replaceAll(UnaryOperator<E> operator) {
         replaceAllRange(operator, 0, size);
+        // TODO(8203662): remove increment of modCount from ...
+        modCount++;
     }
 
     private void replaceAllRange(UnaryOperator<E> operator, int i, int end) {