From: Victor Stinner <vstinner@python.org>
Date: Sun, 7 Jun 2020 23:39:47 +0000 (+0200)
Subject: bpo-40881: Fix unicode_release_interned() (GH-20699)
X-Git-Tag: v3.10.0a1~696
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c96a61e8163c2d25ed4ac77cf96201fd0bdb945c;p=thirdparty%2FPython%2Fcpython.git

bpo-40881: Fix unicode_release_interned() (GH-20699)

Use Py_SET_REFCNT() in unicode_release_interned().
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index e69bf01251ce..df10888949ab 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -15669,13 +15669,13 @@ unicode_release_interned(void)
         }
         switch (PyUnicode_CHECK_INTERNED(s)) {
         case SSTATE_INTERNED_IMMORTAL:
-            Py_REFCNT(s) += 1;
+            Py_SET_REFCNT(s, Py_REFCNT(s) + 1);
 #ifdef INTERNED_STATS
             immortal_size += PyUnicode_GET_LENGTH(s);
 #endif
             break;
         case SSTATE_INTERNED_MORTAL:
-            Py_REFCNT(s) += 2;
+            Py_SET_REFCNT(s, Py_REFCNT(s) + 2);
 #ifdef INTERNED_STATS
             mortal_size += PyUnicode_GET_LENGTH(s);
 #endif