--- old/src/java.base/share/classes/java/util/stream/StreamSpliterators.java	2016-02-08 19:35:58.075239400 +0600
+++ new/src/java.base/share/classes/java/util/stream/StreamSpliterators.java	2016-02-08 19:35:57.899717100 +0600
@@ -186,7 +186,7 @@
 
         @Override
         public Spliterator<P_OUT> trySplit() {
-            if (isParallel && !finished) {
+            if (isParallel && buffer == null && !finished) {
                 init();
 
                 Spliterator<P_IN> split = spliterator.trySplit();