From: Benjamin Peterson <benjamin@python.org>
Date: Wed, 31 Oct 2012 18:22:12 +0000 (-0400)
Subject: avoid a function call with redundant checks for dict size
X-Git-Tag: v2.7.4rc1~426
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=47fa4d54e865b7633babe8144009f01770cc9d82;p=thirdparty%2FPython%2Fcpython.git

avoid a function call with redundant checks for dict size
---

diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 664b58c8c5bc..ba36b180cad2 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -1353,7 +1353,7 @@ dict_fromkeys(PyObject *cls, PyObject *args)
     if (d == NULL)
         return NULL;
 
-    if (PyDict_CheckExact(d) && PyDict_Size(d) == 0) {
+    if (PyDict_CheckExact(d) && ((PyDictObject *)d)->ma_used == 0) {
         if (PyDict_CheckExact(seq)) {
             PyDictObject *mp = (PyDictObject *)d;
             PyObject *oldvalue;