When ignore_keep_structure is enabled, intermediate level can disappear
between parent and child, making the new child complete_cpuset smaller,
causing the child list to require a reorder just like in remove_ignored().
(cherry picked from commit open-mpi/hwloc@88afbe6b62)
Embed this related commit:
core: abstract out reorder_children(), needed when merging modifies the list of children
(cherry picked from commit open-mpi/hwloc@14db82d391)
Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
fff1bb5dcd