3544 save-args matcher could be considerably more robust
3545 save-args matcher should accept saves may be out-of-order
Reviewed by: Joshua M. Clulow <josh@sysmgr.org>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Albert Lee <trisk@nexenta.com>
Reviewed by: Hans Rosenfeld <hans.rosenfeld@nexenta.com>
Approved by: Gordon Ross <gwr@nexenta.com>