From: Raymond Hettinger <python@rcn.com>
Date: Thu, 15 Aug 2013 09:18:55 +0000 (-0700)
Subject: Hoist the global "dummy" lookup outside of the reinsertion loop.
X-Git-Tag: v3.4.0a2~222
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8ad39195775af35c16e4b03b6aa55f131981664e;p=thirdparty%2FPython%2Fcpython.git

Hoist the global "dummy" lookup outside of the reinsertion loop.
---

diff --git a/Objects/setobject.c b/Objects/setobject.c
index eff91c566d17..ac501b600037 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -280,6 +280,7 @@ set_table_resize(PySetObject *so, Py_ssize_t minused)
     Py_ssize_t i;
     int is_oldtable_malloced;
     setentry small_copy[PySet_MINSIZE];
+    PyObject *dummy_entry;
 
     assert(minused >= 0);
 
@@ -336,11 +337,12 @@ set_table_resize(PySetObject *so, Py_ssize_t minused)
 
     /* Copy the data over; this is refcount-neutral for active entries;
        dummy entries aren't copied over, of course */
+    dummy_entry = dummy;
     for (entry = oldtable; i > 0; entry++) {
         if (entry->key == NULL) {
             /* UNUSED */
             ;
-        } else if (entry->key == dummy) {
+        } else if (entry->key == dummy_entry) {
             /* DUMMY */
             --i;
             assert(entry->key == dummy);