diff -r 73bf16b22e89 -r b37ad9fbf681 hotspot/src/share/vm/utilities/fakeRttiSupport.hpp
--- a/hotspot/src/share/vm/utilities/fakeRttiSupport.hpp	Thu Oct 15 13:28:22 2015 +0200
+++ b/hotspot/src/share/vm/utilities/fakeRttiSupport.hpp	Sat Oct 17 19:40:30 2015 -0400
@@ -50,6 +50,7 @@
 // with.
 template<typename T, typename TagType>
 class FakeRttiSupport VALUE_OBJ_CLASS_SPEC {
+  friend class VMStructs;
 public:
   // Construct with the indicated concrete tag, and include the
   // concrete tag in the associated tag set.