6667731 'zfs destroy -r|-R' cannot destroy descent or clone filesystem anymore

[nore...@opensolaris.org]

Author: rm160521
Repository: /hg/onnv/onnv-gate
Latest revision: 1bbb9d6c89cbf2b90021e7bbce199828e2f5f18b
Total changesets: 1
Log message:
6667731 'zfs destroy -r|-R' cannot destroy descent or clone filesystem anymore

Files:
        update: usr/src/lib/libzfs/common/libzfs_graph.c