--- a/hotspot/src/share/vm/classfile/javaClasses.cpp	Mon Jan 04 00:22:57 2010 -0800
+++ b/hotspot/src/share/vm/classfile/javaClasses.cpp	Mon Jan 04 15:52:40 2010 +0100
@@ -2403,6 +2403,10 @@
   return ptypes(mt)->obj_at(idx);
 }
 
+int java_dyn_MethodType::ptype_count(oop mt) {
+  return ptypes(mt)->length();
+}
+
 
 
 // Support for java_dyn_MethodTypeForm