commit 5a57ade58ec5bee85db41b8ce1340ff077781b65
author Serhiy Storchaka <storchaka@gmail.com> Thu Dec 24 10:35:59 2015 +0200
committer Serhiy Storchaka <storchaka@gmail.com> Thu Dec 24 10:35:59 2015 +0200
tree 2f8cf61efba46284b2d4437916bc3469d23c0ce3
parent a198645fa0f9a9c6183c211955083765dc8ab3a8

Issue #20440: Massive replacing unsafe attribute setting code with special
macro Py_SETREF.

Modules/_sre.c

diff --git a/Modules/_sre.c b/Modules/_sre.c
index 957ccbc..150229d 100644
--- a/Modules/_sre.c
+++ b/Modules/_sre.c
@@ -756,8 +756,7 @@
     if (!copy)
         return 0;
 
-    Py_DECREF(*object);
-    *object = copy;
+    Py_SETREF(*object, copy);
 
     return 1; /* success */
 }