diff -r 2c3cc4b01880 -r c16ac7a2eba4 src/hotspot/share/jfr/recorder/checkpoint/types/jfrTypeSet.hpp
--- a/src/hotspot/share/jfr/recorder/checkpoint/types/jfrTypeSet.hpp	Wed Oct 30 16:14:56 2019 +0100
+++ b/src/hotspot/share/jfr/recorder/checkpoint/types/jfrTypeSet.hpp	Wed Oct 30 19:43:52 2019 +0100
@@ -32,7 +32,7 @@
 class JfrTypeSet : AllStatic {
  public:
   static void clear();
-  static size_t serialize(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer, bool class_unload);
+  static size_t serialize(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer, bool class_unload, bool flushpoint);
 };
 
 #endif // SHARE_JFR_RECORDER_CHECKPOINT_TYPES_JFRTYPESET_HPP