From: Victor Stinner <vstinner@python.org>
Date: Fri, 6 May 2022 12:40:08 +0000 (+0200)
Subject: gh-91321: Fix _PyObject_EXTRA_INIT for C++ (#92396)
X-Git-Tag: v3.11.0b1~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c33d67c4506d96a02c6ace382c38e2fb7a614843;p=thirdparty%2FPython%2Fcpython.git

gh-91321: Fix _PyObject_EXTRA_INIT for C++ (#92396)

In C++, the _PyObject_EXTRA_INIT macro now uses nullptr, rather than
0, to initialize the _ob_next and _ob_prev members of the PyObject
structure.

Fix test_cppext failure when Python is built with
./configure --with-trace-refs.
---

diff --git a/Include/object.h b/Include/object.h
index a0dba697569c..fac8892f6555 100644
--- a/Include/object.h
+++ b/Include/object.h
@@ -66,7 +66,7 @@ whose size is determined when the object is allocated.
     PyObject *_ob_next;           \
     PyObject *_ob_prev;
 
-#define _PyObject_EXTRA_INIT 0, 0,
+#define _PyObject_EXTRA_INIT _Py_NULL, _Py_NULL,
 
 #else
 #  define _PyObject_HEAD_EXTRA