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bpo-24076: Fix reference in sum() introduced by GH-28469 (GH-28493)

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Pablo Galindo Salgado 2021-09-21 18:38:57 +01:00 committed by GitHub
parent 9a0dcc5b2e
commit 1c7e98dc25
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1 changed files with 2 additions and 1 deletions
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Python/bltinmodule.c
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@ -2484,7 +2484,8 @@ builtin_sum_impl(PyObject *module, PyObject *iterable, PyObject *start)
/* Single digits are common, fast, and cannot overflow on unpacking. */
switch (Py_SIZE(item)) {
case -1: b = -(sdigit) ((PyLongObject*)item)->ob_digit[0]; break;
case 0: continue;
// Note: the continue goes to the top of the "while" loop that iterates over the elements
case 0: Py_DECREF(item); continue;
case 1: b = ((PyLongObject*)item)->ob_digit[0]; break;
default: b = PyLong_AsLongAndOverflow(item, &overflow); break;
}