Rename function and move to internal header.

Author: markshannon

Include/cpython/object.h

@@ -334,7 +334,6 @@ PyAPI_FUNC(PyObject **) _PyObject_GetDictPtr(PyObject *);
 PyAPI_FUNC(PyObject *) _PyObject_NextNotImplemented(PyObject *);
 PyAPI_FUNC(void) PyObject_CallFinalizer(PyObject *);
 PyAPI_FUNC(int) PyObject_CallFinalizerFromDealloc(PyObject *);
-int _PyObject_DictEmpty(PyObject *);
 
 /* Same as PyObject_Generic{Get,Set}Attr, but passing the attributes
    dict as the last parameter. */

Include/internal/pycore_object.h

@@ -190,6 +190,7 @@ PyObject ** _PyObject_DictPointer(PyObject *);
 int _PyObject_VisitInstanceAttributes(PyObject *self, visitproc visit, void *arg);
 void _PyObject_ClearInstanceAttributes(PyObject *self);
 void _PyObject_FreeInstanceAttributes(PyObject *self);
+int _PyObject_IsInstanceDictEmpty(PyObject *);
 
 #ifdef __cplusplus
 }

Objects/dictobject.c

@@ -5051,7 +5051,7 @@ _PyObject_GetInstanceAttribute(PyObject *obj, PyDictValues *values,
 }
 
 int
-_PyObject_DictEmpty(PyObject *obj)
+_PyObject_IsInstanceDictEmpty(PyObject *obj)
 {
     PyTypeObject *tp = Py_TYPE(obj);
     if (tp->tp_dictoffset == 0) {

Objects/typeobject.c

@@ -4941,7 +4941,7 @@ _PyObject_GetState(PyObject *obj, int required)
                          Py_TYPE(obj)->tp_name);
             return NULL;
         }
-        if (_PyObject_DictEmpty(obj)) {
+        if (_PyObject_IsInstanceDictEmpty(obj)) {
             state = Py_None;
             Py_INCREF(state);
         }