Allan Shortlidge 92227ad1cf AST: Introduce the Swift, anyAppleOS, and DriverKit platform kinds. ...

This change just stages in a few new platform kinds, without fully adding
support for them yet.

- The `Swift` platform represents availability of the Swift runtime across all
  platforms that support an ABI stable Swift runtime (see the pitch at
  https://forums.swift.org/t/pitch-swift-runtime-availability/82742).
- The `anyAppleOS` platform is an experimental platform that represents all of
  Apple's operating systems. This is intended to simplify writing availability
  for Apple's platforms by taking advantage of the new unified OS versioning
  system announced at WWDC 2025.
- The `DriverKit` platform corresponds to Apple DriverKit which is already
  supported by LLVM.

2025-10-27 19:15:04 -07:00

6.9 KiB

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