From 48600c72c1afe1096c2412a135a43f8cdd895195 Mon Sep 17 00:00:00 2001
From: Zackery Spytz <zspytz@gmail.com>
Date: Sun, 31 Mar 2019 10:00:12 -0600
Subject: bpo-35947: Fix a compiler warning in _ctypes.c's
 StructUnionType_paramfunc(). (GH-12629)

---
 Modules/_ctypes/_ctypes.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index 7479eda..03f8e75 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -406,7 +406,7 @@ StructUnionType_paramfunc(CDataObject *self)
     CDataObject *copied_self;
     StgDictObject *stgdict;
 
-    if (self->b_size > sizeof(void*)) {
+    if ((size_t)self->b_size > sizeof(void*)) {
         void *new_ptr = PyMem_Malloc(self->b_size);
         if (new_ptr == NULL)
             return NULL;
-- 
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