Index: generic/nsfStack.c
===================================================================
diff -u -r7b8ab056c2dafa49164db2e9ccddd9cb6d5b6fb3 -rc4102c7c9beca8fb3c5c1fdee3e316802c5eb93f
--- generic/nsfStack.c	(.../nsfStack.c)	(revision 7b8ab056c2dafa49164db2e9ccddd9cb6d5b6fb3)
+++ generic/nsfStack.c	(.../nsfStack.c)	(revision c4102c7c9beca8fb3c5c1fdee3e316802c5eb93f)
@@ -350,7 +350,7 @@
   return NULL;
 }
 
-static NsfCallStackContent*
+NSF_INLINE static NsfCallStackContent*
 CallStackGetTopFrame0(Tcl_Interp *interp) {
   register Tcl_CallFrame *varFramePtr = (Tcl_CallFrame *)Tcl_Interp_varFramePtr(interp);
   for (; varFramePtr; varFramePtr = Tcl_CallFrame_callerPtr(varFramePtr)) {