--- a/hotspot/src/share/vm/adlc/forms.hpp	Fri Apr 11 09:56:35 2008 -0400
+++ b/hotspot/src/share/vm/adlc/forms.hpp	Sun Apr 13 17:43:42 2008 -0400
@@ -168,7 +168,8 @@
     idealD      =  5,  // Double  type
     idealB      =  6,  // Byte    type
     idealC      =  7,  // Char    type
-    idealS      =  8   // String  type
+    idealS      =  8,  // String  type
+    idealN      =  9   // Narrow oop types
   };
   // Convert ideal name to a DataType, return DataType::none if not a 'ConX'
   Form::DataType  ideal_to_const_type(const char *ideal_type_name) const;