bpo-45967: Use PyObject_TypeCheck in type_call and binary_op1

Author: itamaro

Objects/abstract.c

@@ -881,7 +881,7 @@ binary_op1(PyObject *v, PyObject *w, const int op_slot
 
     if (slotv) {
         PyObject *x;
-        if (slotw && PyType_IsSubtype(Py_TYPE(w), Py_TYPE(v))) {
+        if (slotw && PyObject_TypeCheck(w, Py_TYPE(v))) {
             x = slotw(v, w);
             if (x != Py_NotImplemented)
                 return x;

Objects/typeobject.c

@@ -1121,7 +1121,7 @@ type_call(PyTypeObject *type, PyObject *args, PyObject *kwds)
 
     /* If the returned object is not an instance of type,
        it won't be initialized. */
-    if (!PyType_IsSubtype(Py_TYPE(obj), type))
+    if (!PyObject_TypeCheck(obj, type))
         return obj;
 
     type = Py_TYPE(obj);