--- a/src/hotspot/share/runtime/arguments.cpp	Thu Jun 06 18:57:28 2019 -0700
+++ b/src/hotspot/share/runtime/arguments.cpp	Fri Jun 07 04:57:51 2019 +0200
@@ -537,6 +537,7 @@
   { "AllowJNIEnvProxy",             JDK_Version::jdk(13), JDK_Version::jdk(14), JDK_Version::jdk(15) },
   { "ThreadLocalHandshakes",        JDK_Version::jdk(13), JDK_Version::jdk(14), JDK_Version::jdk(15) },
   { "AllowRedefinitionToAddDeleteMethods", JDK_Version::jdk(13), JDK_Version::undefined(), JDK_Version::undefined() },
+  { "FlightRecorder",               JDK_Version::jdk(13), JDK_Version::undefined(), JDK_Version::undefined() },
 
   // --- Deprecated alias flags (see also aliased_jvm_flags) - sorted by obsolete_in then expired_in:
   { "DefaultMaxRAMFraction",        JDK_Version::jdk(8),  JDK_Version::undefined(), JDK_Version::undefined() },