diff -r 4cab5edc2950 -r 5d043a159d5c src/hotspot/share/jfr/recorder/service/jfrPostBox.hpp
--- a/src/hotspot/share/jfr/recorder/service/jfrPostBox.hpp	Fri May 17 15:53:21 2019 +0200
+++ b/src/hotspot/share/jfr/recorder/service/jfrPostBox.hpp	Fri May 17 16:02:27 2019 +0200
@@ -41,6 +41,8 @@
   MSG_SHUTDOWN,
   MSG_VM_ERROR,
   MSG_DEADBUFFER,
+  MSG_FLUSHPOINT,
+  MSG_FLUSHPOINT_METADATA,
   MSG_NO_OF_MSGS
 };