diff --git a/Python/specialize.c b/Python/specialize.c index b1cc66124cfa4a..2ccca3a2802c17 100644 --- a/Python/specialize.c +++ b/Python/specialize.c @@ -1455,7 +1455,7 @@ _Py_Specialize_StoreSubscr(PyObject *container, PyObject *sub, _Py_CODEUNIT *ins goto fail; } if (PyObject_CheckBuffer(container)) { - if (PyLong_CheckExact(sub) && (((size_t)Py_SIZE(sub)) > 1)) { + if (PyLong_CheckExact(sub) && (!_PyLong_IsNonNegativeCompact((PyLongObject *)sub))) { SPECIALIZATION_FAIL(STORE_SUBSCR, SPEC_FAIL_OUT_OF_RANGE); } else if (strcmp(container_type->tp_name, "array.array") == 0) {
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