From: Martin v. Löwis <martin@v.loewis.de>
Date: Mon, 14 Oct 2002 21:11:34 +0000 (+0000)
Subject: Don't drop old slots if _unicode_to_string did not change anything.
X-Git-Tag: v2.3c1~3776
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=13b1a5cc990e4bbffa47d58a6769b5940da7548e;p=thirdparty%2FPython%2Fcpython.git

Don't drop old slots if _unicode_to_string did not change anything.
---

diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index cfd540958bab..e11b87f62001 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -1169,8 +1169,10 @@ type_new(PyTypeObject *metatype, PyObject *args, PyObject *kwds)
 
 #ifdef Py_USING_UNICODE
 		tmp = _unicode_to_string(slots, nslots);
-		Py_DECREF(slots);
-		slots = tmp;
+		if (tmp != slots) {
+			Py_DECREF(slots);
+			slots = tmp;
+		}
 		if (!tmp)
 			return NULL;
 #endif