--- old/src/hotspot/share/runtime/os.hpp	2019-07-03 19:31:07.402236751 +0200
+++ new/src/hotspot/share/runtime/os.hpp	2019-07-03 19:31:06.950235568 +0200
@@ -742,6 +742,9 @@
   // Like strdup, but exit VM when strdup() returns NULL
   static char* strdup_check_oom(const char*, MEMFLAGS flags = mtInternal);
 
+  static bool init_nestegg(size_t size);
+  static void release_nestegg();
+
 #ifndef PRODUCT
   static julong num_mallocs;         // # of calls to malloc/realloc
   static julong alloc_bytes;         // # of bytes allocated