--- a/src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp	Sun Aug 25 13:27:54 2019 +0200
+++ b/src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp	Sun Aug 25 15:13:16 2019 +0200
@@ -407,6 +407,10 @@
   JfrTypeManager::write_type_set_for_unloaded_classes();
 }
 
+bool JfrCheckpointManager::is_type_set_checkpoint_required() const {
+  return JfrTraceIdEpoch::is_klass_tagged_in_epoch();
+}
+
 size_t JfrCheckpointManager::flush_type_set() {
   const size_t elements = JfrTypeManager::flush_type_set();
   flush();