--- a/test/jdk/java/util/Collection/IteratorMicroBenchmark.java	Mon Jun 25 09:59:16 2018 -0700
+++ b/test/jdk/java/util/Collection/IteratorMicroBenchmark.java	Mon Jun 25 09:59:16 2018 -0700
@@ -325,7 +325,7 @@
     }
 
     @SafeVarargs @SuppressWarnings("varargs")
-    private <T> Stream<T> concatStreams(Stream<T> ... streams) {
+    private static <T> Stream<T> concatStreams(Stream<T> ... streams) {
         return Stream.of(streams).flatMap(s -> s);
     }