Index: generic/nsf.c
===================================================================
diff -u -r4befd49a711512427661098a7de2957992a09cfd -rbea3ac4845379e83299631385d157803c28c7d47
--- generic/nsf.c	(.../nsf.c)	(revision 4befd49a711512427661098a7de2957992a09cfd)
+++ generic/nsf.c	(.../nsf.c)	(revision bea3ac4845379e83299631385d157803c28c7d47)
@@ -24473,7 +24473,7 @@
 
   nonnull_assert(interp != NULL);
 
-  Tcl_SetObjResult(interp, Tcl_NewIntObj(((Interp *)interp)->compileEpoch));
+  Tcl_SetObjResult(interp, Tcl_NewIntObj((int)(((Interp *)interp)->compileEpoch)));
   return TCL_OK;
 }