--- a/src/hotspot/share/gc/shared/genOopClosures.hpp	Mon Jun 18 18:49:34 2018 -0700
+++ b/src/hotspot/share/gc/shared/genOopClosures.hpp	Thu Jun 07 10:11:36 2018 +0200
@@ -101,7 +101,7 @@
 // This closure will perform barrier store calls for ALL
 // pointers in scanned oops.
 class ScanClosure: public OopsInClassLoaderDataOrGenClosure {
- protected:
+ private:
   DefNewGeneration* _g;
   HeapWord*         _boundary;
   bool              _gc_barrier;