--- a/hotspot/src/share/vm/gc/parallel/psParallelCompact.hpp	Thu Dec 01 12:09:02 2016 +0300
+++ b/hotspot/src/share/vm/gc/parallel/psParallelCompact.hpp	Sat Dec 03 12:48:22 2016 +0300
@@ -965,6 +965,7 @@
   friend class AdjustPointerClosure;
   friend class AdjustKlassClosure;
   friend class RefProcTaskProxy;
+  friend class PSParallelCompactTest;
 
  private:
   static STWGCTimer           _gc_timer;
@@ -1101,6 +1102,13 @@
   // Reset time since last full gc
   static void reset_millis_since_last_gc();
 
+#ifndef PRODUCT
+  // Print generic summary data
+  static void print_generic_summary_data(ParallelCompactData& summary_data,
+                                         HeapWord* const beg_addr,
+                                         HeapWord* const end_addr);
+#endif  // #ifndef PRODUCT
+
  public:
 
   PSParallelCompact();