Issue #26200: Added Py_SETREF and replaced Py_XSETREF with Py_SETREF
in places where Py_DECREF was used.
diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index 7a114e0..2be32e0 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -1064,7 +1064,7 @@
     result = PyNumber_Add(r->start, product);
     Py_DECREF(product);
     if (result) {
-        Py_XSETREF(r->index, new_index);
+        Py_SETREF(r->index, new_index);
     }
     else {
         Py_DECREF(new_index);