1 files changed, 18 insertions, 0 deletions
diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 840d004..2611404 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -5645,6 +5645,24 @@ _PyType_SetFlags(PyTypeObject *self, unsigned long mask, unsigned long flags)
     END_TYPE_LOCK();
 }
 
+int
+_PyType_Validate(PyTypeObject *ty, _py_validate_type validate, unsigned int *tp_version)
+{
+    int err;
+    BEGIN_TYPE_LOCK();
+    err = validate(ty);
+    if (!err) {
+        if(assign_version_tag(_PyInterpreterState_GET(), ty)) {
+            *tp_version = ty->tp_version_tag;
+        }
+        else {
+            err = -1;
+        }
+    }
+    END_TYPE_LOCK();
+    return err;
+}
+
 static void
 set_flags_recursive(PyTypeObject *self, unsigned long mask, unsigned long flags)
 {