--- a/src/hotspot/share/oops/oopHandle.hpp	Tue Feb 19 10:02:00 2019 +0100
+++ b/src/hotspot/share/oops/oopHandle.hpp	Tue Feb 19 10:02:42 2019 +0100
@@ -36,6 +36,7 @@
 // future uses for read barriers.
 
 class OopHandle {
+  friend class VMStructs;
 private:
   oop* _obj;