MFV r304057:
7085 add support for "if" and "else" statements in dtrace

illumos/illumos-gate@c3bd3abd8856e8e75d820f65c58031cd6cbac818

Add syntactic sugar to dtrace: "if" and "else" statements. The s

MFV r304057:
7085 add support for "if" and "else" statements in dtrace

illumos/illumos-gate@c3bd3abd8856e8e75d820f65c58031cd6cbac818

Add syntactic sugar to dtrace: "if" and "else" statements. The sugar is
baked down to standard dtrace features by adding additional clauses with
the appropriate predicates.

Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Sebastien Roy <sebastien.roy@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed by: Bryan Cantrill <bryan@joyent.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
Author: Matthew Ahrens <mahrens@delphix.com>

MFC after: 2 weeks
Relnotes: yes

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Treat D keywords as identifiers in certain postfix expressions. This allows
one to, for example, access the "provider" field of a struct g_consumer,
even though "provider" is a D keyword.

PR: 16965

Treat D keywords as identifiers in certain postfix expressions. This allows
one to, for example, access the "provider" field of a struct g_consumer,
even though "provider" is a D keyword.

PR: 169657
MFC after: 2 months
Discussed with: Bryan Cantrill
Sponsored by: EMC / Isilon Storage Division

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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 r178479,
which included commits to RCS files with non-trunk default branches.