swift

c50d2214 - build: Mirror LLVM+Xcode-specific `build-script-impl` logic in CMake `build-script` product

build: Mirror LLVM+Xcode-specific `build-script-impl` logic in CMake `build-script` product This fixes the behavior of `--xcode`, which was relying on this logic and was compromised when LLVM became a build-script product.