Dtrace: Add SUN MDB-like type-aware print() action.
Merge change from illumos:
1694 Add type-aware print() action
This is a very nice feature implemented in upstream Dtrace.
A complete description is available here:
http://dtrace.org/blogs/eschrock/2011/10/26/your-mdb-fell-into-my-dtrace/
This change bumps the DT_VERS_* number to 1.9.0 in
accordance to what is done in illumos.
While here also include some minor cleanups to ease further merging
and appease clang with a fix by Fabian Keil.
Illumos Revisions: 13501:
c3a7090dbc16
13483:
f413e6c5d297
Reference:
https://www.illumos.org/issues/1560
https://www.illumos.org/issues/1694
Tested by: Fabian Keil
Obtained from: Illumos
MFC after: 1 month