DNM: testing

[compnerd]

Replace this paragraph with a description of your changes and rationale. Provide links to external references/discussions if appropriate.

Resolves SR-NNNN.

[compnerd]

Please test with following PRs:
swiftlang/llvm-project#3439
swiftlang/swift-corelibs-foundation#3092

@swift-ci please test Linux platform

[compnerd]

CC: @etcwilde

[compnerd]

Please test with following PRs:
swiftlang/llvm-project#3439
swiftlang/swift-corelibs-foundation#3092

@swift-ci please test Windows platform

[etcwilde]

Windows failure is due to the issue fixed in #39791.

-- WARNING! Did not find a host compiler swift?! Can not build
                  any compiler host sources written in Swift
CMake Error at CMakeLists.txt:183 (elseif):
  given arguments:

    "STREQUAL" "ANDROID"

  Unknown arguments specified

[etcwilde]

#39791
swiftlang/llvm-project#3439
swiftlang/swift-corelibs-foundation#3092

@swift-ci please test Windows platform

[compnerd]

Please test with following PRs:
swiftlang/llvm-project#3439
swiftlang/swift-corelibs-foundation#3092

@swift-ci please test Windows platform