* BC breaks:
- The option smpi/async_small_thres was renamed to smpi/async_small_thresh
as we attempt to unify our naming schemes -> smpi/send_is_detached_thresh
+ * Remove old default barrier/bcast buggy algorithms (see #18407)
+ * Various bugfixes to handle more codes
XBT
* Kill the setset data container: MC don't use it anymore.