Issue #26200: Added Py_SETREF and replaced Py_XSETREF with Py_SETREF

in places where Py_DECREF was used.

Objects/bytesobject.c

@@ -3697,7 +3697,7 @@ PyBytes_Concat(PyObject **pv, PyObject *w)
         /* Multiple references, need to create new object */
         PyObject *v;
         v = bytes_concat(*pv, w);
-        Py_XSETREF(*pv, v);
+        Py_SETREF(*pv, v);
     }
 }
 

Objects/funcobject.c

@@ -504,7 +504,7 @@ func_new(PyTypeObject* type, PyObject* args, PyObject* kw)
 
     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);

Objects/listobject.c

@@ -735,7 +735,7 @@ list_ass_item(PyListObject *a, Py_ssize_t i, PyObject *v)
     if (v == NULL)
         return list_ass_slice(a, i, i+1, v);
     Py_INCREF(v);
-    Py_XSETREF(a->ob_item[i], v);
+    Py_SETREF(a->ob_item[i], v);
     return 0;
 }
 

Objects/rangeobject.c

@@ -1064,7 +1064,7 @@ longrangeiter_next(longrangeiterobject *r)
     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);

Objects/typeobject.c

@@ -424,7 +424,7 @@ type_set_name(PyTypeObject *type, PyObject *value, void *context)
 
     type->tp_name = tp_name;
     Py_INCREF(value);
-    Py_XSETREF(((PyHeapTypeObject*)type)->ht_name, value);
+    Py_SETREF(((PyHeapTypeObject*)type)->ht_name, value);
 
     return 0;
 }
@@ -445,7 +445,7 @@ type_set_qualname(PyTypeObject *type, PyObject *value, void *context)
 
     et = (PyHeapTypeObject*)type;
     Py_INCREF(value);
-    Py_XSETREF(et->ht_qualname, value);
+    Py_SETREF(et->ht_qualname, value);
     return 0;
 }
 
@@ -2903,7 +2903,7 @@ _PyType_Lookup(PyTypeObject *type, PyObject *name)
         else
             method_cache_misses++;
 #endif
-        Py_XSETREF(method_cache[h].name, name);
+        Py_SETREF(method_cache[h].name, name);
     }
     return res;
 }

Objects/unicodeobject.c

@@ -1830,7 +1830,7 @@ unicode_resize(PyObject **p_unicode, Py_ssize_t length)
         _Py_INCREF_UNICODE_EMPTY();
         if (!unicode_empty)
             return -1;
-        Py_XSETREF(*p_unicode, unicode_empty);
+        Py_SETREF(*p_unicode, unicode_empty);
         return 0;
     }
 
@@ -1838,7 +1838,7 @@ unicode_resize(PyObject **p_unicode, Py_ssize_t length)
         PyObject *copy = resize_copy(unicode, length);
         if (copy == NULL)
             return -1;
-        Py_XSETREF(*p_unicode, copy);
+        Py_SETREF(*p_unicode, copy);
         return 0;
     }
 
@@ -13547,7 +13547,7 @@ _PyUnicodeWriter_PrepareInternal(_PyUnicodeWriter *writer,
             return -1;
         _PyUnicode_FastCopyCharacters(newbuffer, 0,
                                       writer->buffer, 0, writer->pos);
-        Py_XSETREF(writer->buffer, newbuffer);
+        Py_SETREF(writer->buffer, newbuffer);
     }
     _PyUnicodeWriter_Update(writer);
     return 0;
@@ -15264,7 +15264,7 @@ PyUnicode_InternInPlace(PyObject **p)
 
     if (t) {
         Py_INCREF(t);
-        Py_XSETREF(*p, t);
+        Py_SETREF(*p, t);
         return;
     }