STINNER Victor <vstin...@python.org> added the comment:
That's a bug in array_array_index() which downcasts "Py_ssize_t i" to long: static PyObject * array_array_index(arrayobject *self, PyObject *v) /*[clinic end generated code: output=d48498d325602167 input=cf619898c6649d08]*/ { Py_ssize_t i; for (i = 0; i < Py_SIZE(self); i++) { PyObject *selfi; int cmp; selfi = getarrayitem((PyObject *)self, i); if (selfi == NULL) return NULL; cmp = PyObject_RichCompareBool(selfi, v, Py_EQ); Py_DECREF(selfi); if (cmp > 0) { return PyLong_FromLong((long)i); // <===== HERE === } else if (cmp < 0) return NULL; } PyErr_SetString(PyExc_ValueError, "array.index(x): x not in array"); return NULL; } ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue41085> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com