Pull requests for Swift 2.2.1

Development Compiler
1

Hi everyone,

For those of you creating pull requests for Swift 2.2.1, please do the following:

- Add the ‘Swift 2.2.x’ milestone in the pull request.
- Assign the pull request to me.
- Optionally: Put "[Swift 2.2.1]” in the pull request title.

Thanks!

Ted