diff -r 0f31f18d2241 -r f95c67788f18 src/share/vm/oops/methodData.hpp
--- a/src/share/vm/oops/methodData.hpp	Thu Mar 22 21:47:01 2018 -0400
+++ b/src/share/vm/oops/methodData.hpp	Tue Apr 08 09:51:25 2014 +0200
@@ -251,6 +251,9 @@
 
   // GC support
   void clean_weak_klass_links(BoolObjectClosure* cl);
+
+  // Redefinition support
+  void clean_weak_method_links();
 };
 
 
@@ -508,6 +511,9 @@
   // GC support
   virtual void clean_weak_klass_links(BoolObjectClosure* is_alive_closure) {}
 
+  // Redefinition support
+  virtual void clean_weak_method_links() {}
+
   // CI translation: ProfileData can represent both MethodDataOop data
   // as well as CIMethodData data. This function is provided for translating
   // an oop in a ProfileData to the ci equivalent. Generally speaking,
@@ -2030,6 +2036,7 @@
 //
 
 CC_INTERP_ONLY(class BytecodeInterpreter;)
+class CleanExtraDataClosure;
 
 class MethodData : public Metadata {
   friend class VMStructs;
@@ -2183,9 +2190,9 @@
   static bool profile_parameters_jsr292_only();
   static bool profile_all_parameters();
 
-  void clean_extra_data(BoolObjectClosure* is_alive);
+  void clean_extra_data(CleanExtraDataClosure* cl);
   void clean_extra_data_helper(DataLayout* dp, int shift, bool reset = false);
-  void verify_extra_data_clean(BoolObjectClosure* is_alive);
+  void verify_extra_data_clean(CleanExtraDataClosure* cl);
 
 public:
   static int header_size() {
@@ -2477,6 +2484,8 @@
   static bool profile_return_jsr292_only();
 
   void clean_method_data(BoolObjectClosure* is_alive);
+
+  void clean_weak_method_links();
 };
 
 #endif // SHARE_VM_OOPS_METHODDATAOOP_HPP