569     Py_VISIT(self->groupindex);  in pattern_traverse()
578     Py_CLEAR(self->groupindex);  in pattern_clear()
1385     if (self->groupindex == NULL)  in pattern_groupindex()
1387     return PyDictProxy_New(self->groupindex);  in pattern_groupindex()
1406                   PyObject *code, Py_ssize_t groups, PyObject *groupindex,  in _sre_compile_impl()  argument
1423     self->groupindex = NULL;  in _sre_compile_impl()
1469     if (PyDict_GET_SIZE(groupindex) > 0) {  in _sre_compile_impl()
1470         Py_INCREF(groupindex);  in _sre_compile_impl()
1471         self->groupindex = groupindex;  in _sre_compile_impl()
2038         if (self->pattern->groupindex) {  in match_getindex()
2039             index = PyDict_GetItemWithError(self->pattern->groupindex, index);  in match_getindex()
2181     if (!result || !self->pattern->groupindex)  in _sre_SRE_Match_groupdict_impl()
2184     while (_PyDict_Next(self->pattern->groupindex, &pos, &key, &value, &hash)) {  in _sre_SRE_Match_groupdict_impl()