merge 3.3 (#20588)
diff --git a/Python/Python-ast.c b/Python/Python-ast.c
index e07a93f..44fdafc 100644
--- a/Python/Python-ast.c
+++ b/Python/Python-ast.c
@@ -7023,10 +7023,14 @@
 mod_ty PyAST_obj2mod(PyObject* ast, PyArena* arena, int mode)
 {
     mod_ty res;
-    PyObject *req_type[] = {(PyObject*)Module_type, (PyObject*)Expression_type,
-                            (PyObject*)Interactive_type};
+    PyObject *req_type[3];
     char *req_name[] = {"Module", "Expression", "Interactive"};
     int isinstance;
+
+    req_type[0] = (PyObject*)Module_type;
+    req_type[1] = (PyObject*)Expression_type;
+    req_type[2] = (PyObject*)Interactive_type;
+
     assert(0 <= mode && mode <= 2);
 
     if (!init_types())