anchor.diff:              libDirs
               |> Seq.collect findReferences
               |> Seq.append dllFiles
  -            |> Seq.filter (fun file -> blacklist |> List.exists (fun black -> black = Path.GetFileName file) |> not),
  +            |> Seq.filter (fun file -> blacklist |> List.exists ((=?) (Path.GetFileName file)) |> not),
               Seq.empty
             else dllFiles |> List.toSeq, libDirs
           FSharpAssemblyHelper.getProjectReferences otherFlags (Some _libDirs) _dllFiles
  
positive.code:         let findReferences libDir =
            Directory.EnumerateFiles(libDir, "*.dll")
            |> Seq.map Path.GetFullPath
            |> Seq.filter (fun file -> dllFiles |> List.exists (fun binary -> binary = file) |> not)
          
          // See https://github.com/tpetricek/FSharp.Formatting/commit/22ffb8ec3c743ceaf069893a46a7521667c6fc9d
          let blacklist =
  
negative.code:           File.WriteAllText(fileName1, """module M""")
            let args =
              [| //yield "--debug:full" 
                 //yield "--define:DEBUG" 
                 //yield "--optimize-" 
                 yield "--nooptimizationdata"
                 yield "--noframework"
  