--- a/src/hotspot/share/aot/aotCompiledMethod.hpp	Fri Mar 15 18:59:21 2019 +0100
+++ b/src/hotspot/share/aot/aotCompiledMethod.hpp	Fri Mar 15 16:00:18 2019 -0400
@@ -241,7 +241,7 @@
   address get_original_pc(const frame* fr) { return *orig_pc_addr(fr); }
   void    set_original_pc(const frame* fr, address pc) { *orig_pc_addr(fr) = pc; }
 
-  virtual void metadata_do(void f(Metadata*));
+  virtual void metadata_do(MetadataClosure* f);
 
   bool metadata_got_contains(Metadata **p) {
     return p >= &_metadata_got[0] && p < &_metadata_got[_metadata_size];