Backport c952f3d122ae: Tweak the deque struct by moving the least used fields
(maxlen and weakref) to the end.
diff --git a/Modules/_collectionsmodule.c b/Modules/_collectionsmodule.c
index b0fa23d..dc31cbc 100644
--- a/Modules/_collectionsmodule.c
+++ b/Modules/_collectionsmodule.c
@@ -99,8 +99,8 @@
Py_ssize_t leftindex; /* in range(BLOCKLEN) */
Py_ssize_t rightindex; /* in range(BLOCKLEN) */
Py_ssize_t len;
- Py_ssize_t maxlen;
long state; /* incremented whenever the indices move */
+ Py_ssize_t maxlen;
PyObject *weakreflist; /* List of weak references */
} dequeobject;