--- a/src/hotspot/share/runtime/globals_extension.hpp	Thu Oct 17 20:27:44 2019 +0100
+++ b/src/hotspot/share/runtime/globals_extension.hpp	Thu Oct 17 20:53:35 2019 +0100
@@ -25,6 +25,7 @@
 #ifndef SHARE_RUNTIME_GLOBALS_EXTENSION_HPP
 #define SHARE_RUNTIME_GLOBALS_EXTENSION_HPP
 
+#include "runtime/flags/jvmFlag.hpp"
 #include "runtime/globals.hpp"
 #include "utilities/macros.hpp"
 
@@ -64,7 +65,6 @@
             IGNORE_RANGE,
             IGNORE_CONSTRAINT,
             IGNORE_WRITEABLE)
-  JVMFLAGSENUM_EXT
   NUM_JVMFlagsEnum
 } JVMFlagsEnum;
 
@@ -91,6 +91,8 @@
   static bool is_cmdline(JVMFlagsEnum flag);
 
   static void setOnCmdLine(JVMFlagsEnum flag);
+
+  static JVMFlag* flag_from_enum(JVMFlagsEnum flag);
 };
 
 // Construct set functions for all flags