--- a/hotspot/src/share/vm/gc/g1/concurrentMarkThread.hpp	Wed Jun 24 10:28:00 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/concurrentMarkThread.hpp	Tue Jun 23 13:26:05 2015 +0200
@@ -40,6 +40,7 @@
   double _vtime_accum;  // Accumulated virtual time.
 
   double _vtime_mark_accum;
+  void cm_log(bool doit, bool join_sts, const char* fmt, ...) ATTRIBUTE_PRINTF(4, 5);
 
  public:
   virtual void run();