From: Serhiy Storchaka <storchaka@gmail.com>
Date: Wed, 22 Mar 2017 05:45:23 +0000 (+0200)
Subject: bpo-29864: Don't use Py_SIZE for dict object. (#747) (#750)
X-Git-Tag: v3.6.2rc1~293
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=af839fe2fef12dbbc8083fc7f01daee48a85a916;p=thirdparty%2FPython%2Fcpython.git

bpo-29864: Don't use Py_SIZE for dict object. (#747) (#750)
---

diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index a0c1977037b9..8bcc931148be 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -1929,7 +1929,7 @@ _PyDict_FromKeys(PyObject *cls, PyObject *iterable, PyObject *value)
             PyObject *key;
             Py_hash_t hash;
 
-            if (dictresize(mp, ESTIMATE_SIZE(Py_SIZE(iterable)))) {
+            if (dictresize(mp, ESTIMATE_SIZE(((PyDictObject *)iterable)->ma_used))) {
                 Py_DECREF(d);
                 return NULL;
             }