From 1c7e98dc258a0e7ccd2325a1aefc4aa2de51e1c5 Mon Sep 17 00:00:00 2001 From: Pablo Galindo Salgado Date: Tue, 21 Sep 2021 18:38:57 +0100 Subject: bpo-24076: Fix reference in sum() introduced by GH-28469 (GH-28493) --- Python/bltinmodule.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index 38bdfb2..d0d3180 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -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; } -- cgit v0.12