From 9b4a1b1e23d4a7cb18ad26f405bdc741af69f342 Mon Sep 17 00:00:00 2001
From: Zackery Spytz <zspytz@gmail.com>
Date: Wed, 20 Mar 2019 03:16:25 -0600
Subject: bpo-36374: Fix a possible null pointer dereference (GH-12449)

https://bugs.python.org/issue36374
---
 Python/compile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Python')

diff --git a/Python/compile.c b/Python/compile.c
index 697833752b..3656a7e00e 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1210,7 +1210,7 @@ merge_consts_recursive(struct compiler *c, PyObject *o)
     PyObject *t = PyDict_SetDefault(c->c_const_cache, key, key);
     if (t != key) {
         // o is registered in c_const_cache.  Just use it.
-        Py_INCREF(t);
+        Py_XINCREF(t);
         Py_DECREF(key);
         return t;
     }
-- 
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