--- a/jdk/src/java.base/share/classes/java/util/stream/Collectors.java	Wed Jul 05 20:50:41 2017 +0200
+++ b/jdk/src/java.base/share/classes/java/util/stream/Collectors.java	Sat Sep 19 15:26:34 2015 +0200
@@ -504,7 +504,7 @@
      */
     public static <T> Collector<T, ?, Long>
     counting() {
-        return reducing(0L, e -> 1L, Long::sum);
+        return summingLong(e -> 1L);
     }
 
     /**