anchor.diff:  
   
   :download_icu
  -:: Downloads ICU, which will be used as a dependency for the Swift Standard
  -:: Library and Foundation.
  +:: Downloads ICU, which will be used as a dependency for Foundation.
   setlocal enableextensions enabledelayedexpansion
   
   set file_name=icu4c-%icu_version%-Win64-MSVC2017.zip
  
positive.code: if "%1"=="-notest" set RunTest=0
  
  call :clone_repositories %exitOnError%
  call :download_icu %exitOnError%
  :: TODO: Disabled until we need LLBuild/SwiftPM in this build script.
  :: call :download_sqlite3
  
  call :build_llvm %exitOnError%
  path %PATH%;%install_directory%\bin
  
negative.code: path %PATH%;C:\Program Files\Git\usr\bin
  call :build_libdispatch %exitOnError%
  
  path %install_directory%\bin;%build_root%\swift\bin;%build_root%\swift\libdispatch-prefix\bin;%PATH%
  
  if %RunTest%==1 (
    call :test_swift %exitOnError%
  