--- a/hotspot/src/share/vm/gc_implementation/g1/concurrentZFThread.hpp	Mon Oct 05 05:51:22 2009 -0700
+++ b/hotspot/src/share/vm/gc_implementation/g1/concurrentZFThread.hpp	Fri Oct 02 16:12:07 2009 -0400
@@ -61,7 +61,8 @@
   virtual void run();
 
   // Printing
-  void print();
+  void print_on(outputStream* st) const;
+  void print() const;
 
   // Waits until "r" has been zero-filled.  Requires caller to hold the
   // ZF_mon.