anchor.diff:  path %PATH%;C:\Program Files\Git\usr\bin
   call :build_libdispatch %exitOnError%
   
  -path %source_root%\icu-%icu_version%\bin64;%install_directory%\bin;%build_root%\swift\bin;%build_root%\swift\libdispatch-prefix\bin;%PATH%
  +path %install_directory%\bin;%build_root%\swift\bin;%build_root%\swift\libdispatch-prefix\bin;%PATH%
   
   if %RunTest%==1 (
     call :test_swift %exitOnError%
  
positive.code: 
  
  :download_icu
  :: Downloads ICU, which will be used as a dependency for the Swift Standard
  :: Library and Foundation.
  setlocal enableextensions enabledelayedexpansion
  
  set file_name=icu4c-%icu_version%-Win64-MSVC2017.zip
  
negative.code: if "%1"=="-notest" set RunTest=0
  
  call :clone_repositories %exitOnError%
  :: TODO: Disabled until we need Foundation in this build script.
  :: call :download_icu %exitOnError%
  :: TODO: Disabled until we need LLBuild/SwiftPM in this build script.
  :: call :download_sqlite3 %exitOnError%
  
  call :build_llvm %exitOnError%
  path %PATH%;%install_directory%\bin
  