From b221e81f03b592a5f896a39342345f2c30f18d59 Mon Sep 17 00:00:00 2001
From: Lisandro Dalcin <dalcinl@gmail.com>
Date: Tue, 2 Nov 2021 10:34:44 +0300
Subject: Fix GCC -Wsign-conversion warning

---
 Cython/Utility/ImportExport.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cython/Utility/ImportExport.c b/Cython/Utility/ImportExport.c
index 9082c1fb2..e0e161146 100644
--- a/Cython/Utility/ImportExport.c
+++ b/Cython/Utility/ImportExport.c
@@ -768,7 +768,7 @@ static int __Pyx_MergeVtables(PyTypeObject *type) {
             base = base->tp_base;
         }
     }
-    base_vtables = (void**) malloc(sizeof(void*) * (base_depth + 1));
+    base_vtables = (void**) malloc(sizeof(void*) * (size_t)(base_depth + 1));
     base_vtables[0] = unknown;
     // Could do MRO resolution of individual methods in the future, assuming
     // compatible vtables, but for now simply require a common vtable base.
-- 
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