--- a/src/hotspot/share/runtime/frame.hpp	Fri Mar 15 18:59:21 2019 +0100
+++ b/src/hotspot/share/runtime/frame.hpp	Fri Mar 15 16:00:18 2019 -0400
@@ -378,7 +378,7 @@
   void nmethods_do(CodeBlobClosure* cf);
 
   // RedefineClasses support for finding live interpreted methods on the stack
-  void metadata_do(void f(Metadata*));
+  void metadata_do(MetadataClosure* f);
 
   // Verification
   void verify(const RegisterMap* map);