objc_AssociationPolicy is now a proper enum, but the official build of Swift
doesn't use those SDKs yet. Accomodate those of us who are with a hack
(and filed rdar://problem/19494514 to remove it).
Swift SVN r24470
This allows reflection clients a more detailed perspective on what precision values they are inspecting, and is largely meant to support improvements to the way Xcode represents floating point numbers in the playgrounds UI (rdar://19124310)
Swift SVN r24372
Metatypes have no user-visible structure, but can at least summarize as their type names. This gives us reasonable ad-hoc Printable behavior (thought debugPrint is still wrong, since a type name isn't parsable without being .self'ed).
Swift SVN r23745
Core Graphics mirrors were emitting textual representations without
spaces following commas separating values. This commit fixes that
issue.
Swift SVN r22897
This decreases total testing time by over a minute on my old Mac Pro.
It probably has much less effect on systems with fewer cores, but shouldn't
be any worse there.
Swift SVN r22745
