commit 7c0b70f41910fb70432f32f8ed263a56110a5525
author Raymond Hettinger <python@rcn.com> Sat Sep 26 21:11:05 2015 -0700
committer Raymond Hettinger <python@rcn.com> Sat Sep 26 21:11:05 2015 -0700
tree 5d9b615b051a724cf22f16f5ea42f30e3ae51a44
parent f2b02ced7edfa30e3ee5f15abcdd8f45b36476f5

Minor tweak to the order of variable updates.

Modules/_collectionsmodule.c

diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index 9210e24..66c2a74 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -315,8 +315,8 @@
         MARK_END(b->rightlink);
         deque->rightindex = -1;
     }
-    Py_INCREF(item);
     Py_SIZE(deque)++;
+    Py_INCREF(item);
     deque->rightindex++;
     deque->rightblock->data[deque->rightindex] = item;
     deque_trim_left(deque);
@@ -340,8 +340,8 @@
         MARK_END(b->leftlink);
         deque->leftindex = BLOCKLEN;
     }
-    Py_INCREF(item);
     Py_SIZE(deque)++;
+    Py_INCREF(item);
     deque->leftindex--;
     deque->leftblock->data[deque->leftindex] = item;
     deque_trim_right(deque);