diff -r 882004b9e7e1 -r 2c6ef90f030a src/share/vm/ci/ciObjectFactory.hpp
--- a/src/share/vm/ci/ciObjectFactory.hpp	Tue Jul 01 09:03:55 2014 +0200
+++ b/src/share/vm/ci/ciObjectFactory.hpp	Mon Jul 07 10:12:40 2014 +0200
@@ -75,6 +75,8 @@
   ciObject* create_new_object(oop o);
   ciMetadata* create_new_object(Metadata* o);
 
+  void ensure_metadata_alive(ciMetadata* m);
+
   static bool is_equal(NonPermObject* p, oop key) {
     return p->object()->get_oop() == key;
   }