Fix existing refleak.

ZeroIntensity · ZeroIntensity · commit 761812d721b2 · 2025-09-05T19:01:53.000-04:00
diff --git a/Objects/genericaliasobject.c b/Objects/genericaliasobject.c
@@ -540,6 +540,7 @@ _Py_subs_parameters(PyObject *self, PyObject *args, PyObject *parameters, PyObje
             if (jarg < 0) {
                 Py_DECREF(item);
                 Py_XDECREF(tuple_args);
+                Py_DECREF(newargs);
                 return NULL;
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -540,6 +540,7 @@ _Py_subs_parameters(PyObject self, PyObject args, PyObject *parameters, PyObje`
`540`	`540`	`if (jarg < 0) {`
`541`	`541`	`Py_DECREF(item);`
`542`	`542`	`Py_XDECREF(tuple_args);`
	`543`	`+ Py_DECREF(newargs);`
`543`	`544`	`return NULL;`
`544`	`545`	`}`
`545`	`546`	`}`