--- a/src/jdk.jfr/share/classes/jdk/jfr/internal/TypeLibrary.java Wed Oct 30 16:14:56 2019 +0100
+++ b/src/jdk.jfr/share/classes/jdk/jfr/internal/TypeLibrary.java Wed Oct 30 19:43:52 2019 +0100
@@ -407,6 +407,7 @@
// Purpose of this method is to mark types that are reachable
// from registered event types. Those types that are not reachable can
// safely be removed
+ // Returns true if type was removed
public boolean clearUnregistered() {
Logger.log(LogTag.JFR_METADATA, LogLevel.TRACE, "Cleaning out obsolete metadata");
List<Type> registered = new ArrayList<>();