--- a/src/hotspot/share/memory/filemap.hpp	Wed Apr 25 22:12:06 2018 -0700
+++ b/src/hotspot/share/memory/filemap.hpp	Thu Apr 26 12:25:36 2018 +0530
@@ -75,6 +75,7 @@
 class FileMapInfo : public CHeapObj<mtInternal> {
 private:
   friend class ManifestStream;
+  friend class VMStructs;
   enum {
     _invalid_version = -1,
     _current_version = 3