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bpo-34397: Remove redundant overflow checks in list and tuple implementation. (GH-8757)

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Sergey Fedoseev 2020-05-25 19:54:40 +05:00 • committed by GitHub
parent ef16958d17
commit e682b26a6b
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2 changed files with 4 additions and 15 deletions
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Objects/tupleobject.c
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@ -486,8 +486,7 @@ tupleconcat(PyTupleObject *a, PyObject *bb)
Py_INCREF(a);
return (PyObject *)a;
}
if (Py_SIZE(a) > PY_SSIZE_T_MAX - Py_SIZE(b))
return PyErr_NoMemory();
assert((size_t)Py_SIZE(a) + (size_t)Py_SIZE(b) < PY_SSIZE_T_MAX);
size = Py_SIZE(a) + Py_SIZE(b);
if (size == 0) {
return PyTuple_New(0);