Add clear_static_type_interp_data().

Author: ericsnowcurrently

Objects/typeobject.c

@@ -4544,18 +4544,24 @@ clear_static_tp_subclasses(PyTypeObject *type)
     clear_subclasses(type);
 }
 
+static void
+clear_static_type_interp_data(PyTypeObject *type)
+{
+    Py_CLEAR(type->tp_dict);
+    Py_CLEAR(type->tp_bases);
+    Py_CLEAR(type->tp_mro);
+    clear_static_tp_subclasses(type);
+}
+
 void
 _PyStaticType_Dealloc(PyTypeObject *type)
 {
     assert(!(type->tp_flags & Py_TPFLAGS_HEAPTYPE));
 
     type_dealloc_common(type);
 
-    Py_CLEAR(type->tp_dict);
-    Py_CLEAR(type->tp_bases);
-    Py_CLEAR(type->tp_mro);
     Py_CLEAR(type->tp_cache);
-    clear_static_tp_subclasses(type);
+    clear_static_type_interp_data(type);
 
     // PyObject_ClearWeakRefs() raises an exception if Py_REFCNT() != 0
     if (Py_REFCNT(type) == 0) {