--- a/src/hotspot/share/services/diagnosticCommand.hpp	Tue Jun 26 08:13:02 2018 +0100
+++ b/src/hotspot/share/services/diagnosticCommand.hpp	Mon Jun 25 16:00:56 2018 +0200
@@ -446,6 +446,7 @@
 class ThreadDumpDCmd : public DCmdWithParser {
 protected:
   DCmdArgument<bool> _locks;
+  DCmdArgument<bool> _extended;
 public:
   ThreadDumpDCmd(outputStream* output, bool heap);
   static const char* name() { return "Thread.print"; }