anchor.diff:        ScriptArgs  = [] }
     static member Default =
   #if !NETSTANDARD1_5
  -    // find a FSharp.Core.dll with optdata and sigdata
       let runtimeDir = System.Runtime.InteropServices.RuntimeEnvironment.GetRuntimeDirectory()
       let includes =
         if isMono then
  
positive.code:         ]
  
        let tryCheckFsCore fscorePath =
          let lib = fscorePath
          let opt = Path.ChangeExtension (lib, "optdata")
          let sig' = Path.ChangeExtension(lib, "sigdata")
          if [ lib; opt; sig' ] |> Seq.forall File.Exists then
            Some lib
          else None
  
        let findFSCore dllFiles libDirs =
  
negative.code:           |> Seq.map Path.GetFullPath
            // Filter files already referenced directly
            |> Seq.filter (fun file -> dllFiles |> Seq.map Path.GetFileName |> Seq.exists ((=?) (Path.GetFileName file)) |> not)
            |> Seq.filter (fun file ->
              if Path.GetFileName file =? "FSharp.Core.dll" then
                FSharpAssemblyHelper.tryCheckFsCore file |> Option.isSome
  