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

python · Mar 22, 2017 · af839fe · af839fe
1 parent f93b994
commit af839fe
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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;
             }