There were 2 functions to output argument list. Consolidate them and
consistently use it from every call like production (i.e. function call,
constructor call, enum with associated values, subscript)
We generally don't want to override unavailable methods. We already
filter out unavailable decls when completing values, but that's in a
separate visible decl consumer.
rdar://problem/25058233
This came out of today's language review meeting.
The intent is to match #available with the attribute
that describes availability.
This is a divergence from Objective-C.
Swift SVN r28484
Most tests were using %swift or similar substitutions, which did not
include the target triple and SDK. The driver was defaulting to the
host OS. Thus, we could not run the tests when the standard library was
not built for OS X.
Swift SVN r24504
