--- a/jdk/src/share/classes/java/util/stream/DelegatingStream.java	Wed Aug 28 14:13:03 2013 -0700
+++ b/jdk/src/share/classes/java/util/stream/DelegatingStream.java	Tue Sep 03 11:44:34 2013 -0700
@@ -209,7 +209,7 @@
     }
 
     @Override
-    public <R, A> R collect(Collector<? super T, A, ? extends R> collector) {
+    public <R, A> R collect(Collector<? super T, A, R> collector) {
         return delegate.collect(collector);
     }