--- old/src/share/vm/classfile/javaClasses.cpp	2009-12-01 18:28:15.806971064 +0100
+++ new/src/share/vm/classfile/javaClasses.cpp	2009-12-01 18:28:15.641496174 +0100
@@ -2404,6 +2404,10 @@
   return ptypes(mt)->obj_at(idx);
 }
 
+int java_dyn_MethodType::ptype_count(oop mt) {
+  return ptypes(mt)->length();
+}
+
 
 
 // Support for java_dyn_MethodTypeForm