Make Py_REFCNT/Py_TYPE/Py_SIZE again to be a valid lvalue

Author: fangerer

graalpython/com.oracle.graal.python.cext/include/object.h

@@ -130,11 +130,11 @@ PyAPI_FUNC(void) _Py_SET_TYPE(PyObject *, struct _typeobject *);
 PyAPI_FUNC(Py_ssize_t) _Py_SIZE(PyVarObject *);
 PyAPI_FUNC(void) _Py_SET_SIZE(PyVarObject *, Py_ssize_t);
 
-#define Py_REFCNT(ob)           (_Py_REFCNT(_PyObject_CAST(ob)))
-#define Py_SET_REFCNT(ob, v)    (_Py_SET_REFCNT(_PyObject_CAST(ob), v))
-#define Py_TYPE(ob)             (_Py_TYPE(_PyObject_CAST(ob)))
-#define Py_SIZE(ob)             (_Py_SIZE(_PyVarObject_CAST(ob)))
+#define Py_REFCNT(ob)           (_PyObject_CAST(ob)->ob_refcnt)
+#define Py_TYPE(ob)             (_PyObject_CAST(ob)->ob_type)
+#define Py_SIZE(ob)             (_PyVarObject_CAST(ob)->ob_size)
 
+#define Py_SET_REFCNT(ob, v)    (_Py_SET_REFCNT(_PyObject_CAST(ob), v))
 #define Py_SET_TYPE(ob, v)      (_Py_SET_TYPE(_PyObject_CAST(ob), (struct _typeobject *) v))
 #define Py_SET_SIZE(ob, v)      (_Py_SET_SIZE(_PyVarObject_CAST(ob), (Py_ssize_t) v))