#### What's in this pull request? #### Resolved bug number: ([SR-](https://bugs.swift.org/browse/SR-)) * * * * Before merging this pull request to apple/swift repository: - [ ] Test pull request on Swift continuous integration.

Triggering Swift CI

The swift-ci is triggered by writing a comment on this PR addressed to the GitHub user @swift-ci. Different tests will run depending on the specific comment that you use. The currently available comments are: **Smoke Testing** Platform | Comment ------------ | ------------- All supported platforms | @swift-ci Please smoke test All supported platforms | @swift-ci Please smoke test and merge OS X platform | @swift-ci Please smoke test OS X platform Linux platform | @swift-ci Please smoke test Linux platform A smoke test on macOS does the following: 1. Builds the compiler incrementally. 2. Builds the standard library only for macOS. Simulator standard libraries and device standard libraries are not built. 3. lldb is not built. 4. The test and validation-test targets are run only for macOS. The optimized version of these tests are not run. A smoke test on Linux does the following: 1. Builds the compiler incrementally. 2. Builds the standard library incrementally. 3. lldb is built incrementally. 4. The swift test and validation-test targets are run. The optimized version of these tests are not run. 5. lldb is tested. **Validation Testing** Platform | Comment ------------ | ------------- All supported platforms | @swift-ci Please test All supported platforms | @swift-ci Please test and merge OS X platform | @swift-ci Please test OS X platform OS X platform | @swift-ci Please benchmark Linux platform | @swift-ci Please test Linux platform **Lint Testing** Language | Comment ------------ | ------------- Python | @swift-ci Please Python lint Note: Only members of the Apple organization can trigger swift-ci.