diff -r 3db7884546a1 -r 9fec54fe663d src/hotspot/share/memory/metaspaceShared.hpp
--- a/src/hotspot/share/memory/metaspaceShared.hpp	Mon May 07 20:42:36 2018 +0200
+++ b/src/hotspot/share/memory/metaspaceShared.hpp	Thu Apr 26 13:40:58 2018 -0700
@@ -147,6 +147,7 @@
   }
   static void initialize_dumptime_shared_and_meta_spaces() NOT_CDS_RETURN;
   static void initialize_runtime_shared_and_meta_spaces() NOT_CDS_RETURN;
+  static void post_initialize(TRAPS) NOT_CDS_RETURN;
 
   // Delta of this object from the bottom of the archive.
   static uintx object_delta(void* obj) {
@@ -250,5 +251,8 @@
   static void relocate_klass_ptr(oop o);
 
   static Klass* get_relocated_klass(Klass *k);
+
+private:
+  static void read_extra_data(const char* filename, TRAPS) NOT_CDS_RETURN;
 };
 #endif // SHARE_VM_MEMORY_METASPACESHARED_HPP