Issue #1717: rename tp_compare to tp_reserved. I'll change the
type of tp_compare in a separate commit, for ease of reversion
should things go wrong.
diff --git a/Modules/_multiprocessing/connection.h b/Modules/_multiprocessing/connection.h
index 105d59c..581beac 100644
--- a/Modules/_multiprocessing/connection.h
+++ b/Modules/_multiprocessing/connection.h
@@ -487,7 +487,7 @@
/* tp_print */ 0,
/* tp_getattr */ 0,
/* tp_setattr */ 0,
- /* tp_compare */ 0,
+ /* tp_reserved */ 0,
/* tp_repr */ (reprfunc)connection_repr,
/* tp_as_number */ 0,
/* tp_as_sequence */ 0,