Issue #26200: Added Py_SETREF and replaced Py_XSETREF with Py_SETREF
in places where Py_DECREF was used.
diff --git a/Objects/funcobject.c b/Objects/funcobject.c
index 4252e93..e6c327d 100644
--- a/Objects/funcobject.c
+++ b/Objects/funcobject.c
@@ -527,7 +527,7 @@
 
     if (name != Py_None) {
         Py_INCREF(name);
-        Py_XSETREF(newfunc->func_name, name);
+        Py_SETREF(newfunc->func_name, name);
     }
     if (defaults != Py_None) {
         Py_INCREF(defaults);