From 36f2329367f3608d15562f1c9e89c50a1bd07b0b Mon Sep 17 00:00:00 2001
From: Nikita Sobolev <mail@sobolevn.me>
Date: Mon, 9 Jan 2023 18:51:24 +0300
Subject: [PATCH] =?UTF-8?q?gh-100873:=20Fix=20"=E2=80=98lo=E2=80=99=20may?=
 =?UTF-8?q?=20be=20used=20uninitialized=20in=20this=20function"=20warning?=
 =?UTF-8?q?=20in=20`mathmodule.c`=20(#100881)?=
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---
 Modules/mathmodule.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 9e4c6fded93..1342162fa74 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -1467,7 +1467,7 @@ math_fsum(PyObject *module, PyObject *seq)
     Py_ssize_t i, j, n = 0, m = NUM_PARTIALS;
     double x, y, t, ps[NUM_PARTIALS], *p = ps;
     double xsave, special_sum = 0.0, inf_sum = 0.0;
-    double hi, yr, lo;
+    double hi, yr, lo = 0.0;
 
     iter = PyObject_GetIter(seq);
     if (iter == NULL)