From 33cac8578bede2e9d6688ff46e849df7c2897a26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20v=2E=20L=C3=B6wis?= <martin@v.loewis.de>
Date: Tue, 15 May 2012 14:34:58 +0200
Subject: Add safecase to silence Win64 warning.

---
 Modules/itertoolsmodule.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 515f3ba..194f7fb 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -533,7 +533,8 @@ teedataobject_new(PyTypeObject *type, PyObject *args, PyObject *kw)
         tdo->values[i] = PyList_GET_ITEM(values, i);
         Py_INCREF(tdo->values[i]);
     }
-    tdo->numread = len;
+    /* len <= LINKCELLS < INT_MAX */
+    tdo->numread = Py_SAFE_DOWNCAST(len, Py_ssize_t, int);
 
     if (len == LINKCELLS) {
         if (next != Py_None) {
-- 
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