diff -r 2c3cc4b01880 -r c16ac7a2eba4 src/hotspot/share/jfr/writers/jfrJavaEventWriter.hpp
--- a/src/hotspot/share/jfr/writers/jfrJavaEventWriter.hpp	Wed Oct 30 16:14:56 2019 +0100
+++ b/src/hotspot/share/jfr/writers/jfrJavaEventWriter.hpp	Wed Oct 30 19:43:52 2019 +0100
@@ -32,9 +32,9 @@
 class Thread;
 
 class JfrJavaEventWriter : AllStatic {
-  friend class JfrCheckpointThreadClosure;
+  friend class JfrNotifyClosure;
+  friend class JfrJavaEventWriterNotifyOperation;
   friend class JfrJavaEventWriterNotificationClosure;
-  friend class JfrJavaEventWriterNotifyOperation;
   friend class JfrRecorder;
  private:
   static bool initialize();