MFC r305055:
Recursively enumerate anonymous structs and unions in ctf_member_info().

Copy head@r302406 to stable/11 as part of the 11.0-RELEASE cycle.
Prune svn:mergeinfo from the new branch, as nothing has been merged
here.

Additional commits post-branch will follow.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

MFV illumos

4474 DTrace Userland CTF Support
4475 DTrace userland Keyword
4476 DTrace tests should be better citizens
4479 pid provider types
4480 dof emulation is missing checks

MFC after: 2 weeks

This commit was generated by cvs2svn to compensate for changes in r178525,
which included commits to RCS files with non-trunk default branches.

Vendor import of DTrace support files from OpenSolaris.