Index: generic/nsfInt.h
===================================================================
diff -u -N -r3f78bdd8db9ec3b80bd2a280a5f148ad81d7c9f5 -rd9a459330a06bea4b9be22e63dfeb3501fc82f83
--- generic/nsfInt.h	(.../nsfInt.h)	(revision 3f78bdd8db9ec3b80bd2a280a5f148ad81d7c9f5)
+++ generic/nsfInt.h	(.../nsfInt.h)	(revision d9a459330a06bea4b9be22e63dfeb3501fc82f83)
@@ -850,9 +850,10 @@
  * Tcl uses 01 and 02, TclOO uses 04 and 08, so leave some space free
  * for further extensions of Tcl and tcloo...
  */
-#define FRAME_IS_NSF_OBJECT  0x10000U
-#define FRAME_IS_NSF_METHOD  0x20000U
-#define FRAME_IS_NSF_CMETHOD 0x40000U
+#define FRAME_IS_NSF_OBJECT  0x10000u
+#define FRAME_IS_NSF_METHOD  0x20000u
+#define FRAME_IS_NSF_CMETHOD 0x40000u
+#define FRAME_VAR_LOADED     0x80000u
 
 #if defined(NRE)
 # define NRE_SANE_PATCH 1