anchor.diff:      // Check with Configuration = Release
       let options = checker.GetProjectOptionsFromProjectFile(projectFile, [("Configuration", "Release")])
   
  +    printfn "vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv" 
  +    printfn "PROJ FILE %s" projectFile
  +    printfn "%A" options.ProjectOptions
  +    printfn "^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" 
       checkOption options.ProjectOptions "FSharp.Compiler.Service.dll"
       checkOption options.ProjectOptions "FileSystemTests.fs"
       checkOption options.ProjectOptions "--define:TRACE"
  
positive.code:     let projectFile = __SOURCE_DIRECTORY__ + @"/../projects/Sample_VS2013_FSharp_Portable_Library_net451_adjusted_to_profile78/Sample_VS2013_FSharp_Portable_Library_net451.fsproj"
      let options = checker.GetProjectOptionsFromProjectFile(projectFile, [])
  
      checkOption options.ProjectOptions "--targetprofile:netcore"
      checkOption options.ProjectOptions "--tailcalls-"
  
  
negative.code:     let projectFile = __SOURCE_DIRECTORY__ + @"/FSharp.Compiler.Service.Tests.fsproj"
      let options = checker.GetProjectOptionsFromProjectFile(projectFile)
  
      printfn "vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv" 
      printfn "PROJ FILE %s" projectFile
      printfn "%A" options.ProjectOptions
      printfn "^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^" 
  
      checkOption options.ProjectOptions "FSharp.Compiler.Service.dll"
      checkOption options.ProjectOptions "FileSystemTests.fs"
      checkOption options.ProjectOptions "--define:TRACE"
  