--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/internal/dynalink/linker/MethodHandleTransformer.java	Mon Oct 19 08:39:06 2015 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/internal/dynalink/linker/MethodHandleTransformer.java	Mon Oct 19 08:45:29 2015 +0200
@@ -88,6 +88,7 @@
 /**
  * A generic interface describing operations that transform method handles.
  */
+@FunctionalInterface
 public interface MethodHandleTransformer {
     /**
      * Transforms a method handle.