Remove optimization for single var-positional parameter.

Lib/test/test_clinic.py

@@ -2694,7 +2694,7 @@ def test_cli_force(self):
             # Verify by checking the checksum.
             checksum = (
                 "/*[clinic end generated code: "
-                "output=843576e3ffe85e2d input=9543a8d2da235301]*/\n"
+                "output=0acbef4794cb933e input=9543a8d2da235301]*/\n"
             )
             with open(fn, encoding='utf-8') as f:
                 generated = f.read()

Modules/_testclinic.c

@@ -970,8 +970,8 @@ varpos
 [clinic start generated code]*/
 
 static PyObject *
-varpos(PyObject *module, PyObject *args)
-/*[clinic end generated code: output=174bb88a5a80ed51 input=f87cd674145d394c]*/
+varpos_impl(PyObject *module, PyObject *args)
+/*[clinic end generated code: output=7b0b9545872bdca4 input=f87cd674145d394c]*/
 {
     return Py_NewRef(args);
 }
@@ -1176,8 +1176,8 @@ Proof-of-concept of GH-99233 refcount error bug.
 [clinic start generated code]*/
 
 static PyObject *
-gh_99233_refcount(PyObject *module, PyObject *args)
-/*[clinic end generated code: output=4a8facb62b9a98bb input=eecfdc2092d90dc3]*/
+gh_99233_refcount_impl(PyObject *module, PyObject *args)
+/*[clinic end generated code: output=585855abfbca9a7f input=eecfdc2092d90dc3]*/
 {
     Py_RETURN_NONE;
 }

Modules/gcmodule.c

@@ -221,8 +221,8 @@ Return the list of objects that directly refer to any of 'objs'.
 [clinic start generated code]*/
 
 static PyObject *
-gc_get_referrers(PyObject *module, PyObject *args)
-/*[clinic end generated code: output=e11e352b7e0cdce0 input=bae96961b14a0922]*/
+gc_get_referrers_impl(PyObject *module, PyObject *args)
+/*[clinic end generated code: output=296a09587f6a86b5 input=bae96961b14a0922]*/
 {
     if (PySys_Audit("gc.get_referrers", "(O)", args) < 0) {
         return NULL;
@@ -269,8 +269,8 @@ Return the list of objects that are directly referred to by 'objs'.
 [clinic start generated code]*/
 
 static PyObject *
-gc_get_referents(PyObject *module, PyObject *args)
-/*[clinic end generated code: output=9efb544e74953e38 input=b3ceab0c34038cbf]*/
+gc_get_referents_impl(PyObject *module, PyObject *args)
+/*[clinic end generated code: output=d47dc02cefd06fe8 input=b3ceab0c34038cbf]*/
 {
     if (PySys_Audit("gc.get_referents", "(O)", args) < 0) {
         return NULL;