Index: generic/nsf.c
===================================================================
diff -u -N -r4d56aa3275ba44f4e85c7f62e435907727021958 -ra4b53da842c85c6439d4b7a6ceb5c06d1d699bfe
--- generic/nsf.c	(.../nsf.c)	(revision 4d56aa3275ba44f4e85c7f62e435907727021958)
+++ generic/nsf.c	(.../nsf.c)	(revision a4b53da842c85c6439d4b7a6ceb5c06d1d699bfe)
@@ -4372,16 +4372,16 @@
 static Tcl_Var
 CompiledLocalsLookup(CallFrame *varFramePtr, const char *varName) {
 
-  nonnull_assert(varFramePtr != NULL);
-  nonnull_assert(varName != NULL);
-
 #if defined(NSF_CONSTANT_COMPILED_LOCAL_LOOKUP)
   {
       Tcl_Obj         **varNameObjPtr;
       Tcl_Var          result;
       TclVarHashTable *varTablePtr;
       Tcl_Obj         *varNameObj;
 
+      nonnull_assert(varFramePtr != NULL);
+      nonnull_assert(varName != NULL);
+      
       varTablePtr = varFramePtr->varTablePtr;
       if (unlikely(varTablePtr == NULL)) {
         //fprintf(stderr, "CompiledLocalsLookup: creating varTablePtr\n");
@@ -4416,6 +4416,9 @@
   Tcl_Obj         **varNameObjPtr;
   int               i, localCt, nameLength;
 
+  nonnull_assert(varFramePtr != NULL);
+  nonnull_assert(varName != NULL);
+
   localCt = varFramePtr->numCompiledLocals;
   varNameObjPtr = &varFramePtr->localCachePtr->varName0;
   nameLength = (int)strlen(varName);