anchor.diff:  
                   let dm = tcConfigB.dependencyProvider.TryFindDependencyManagerInPath(tcConfigB.compilerToolPaths, tcConfigB.outputDir |> Option.defaultValue "", reportError, path)
                   match dm with
  +                | null, null ->
  +                    // error already reported
  +                    istate, CompletedWithAlreadyReportedError
  +
                   | _, dependencyManager when not(isNull dependencyManager) ->
                      if tcConfig.langVersion.SupportsFeature(LanguageFeature.PackageManagement) then
                          fsiDynamicCompiler.EvalDependencyManagerTextFragment(dependencyManager, m, path)
  -                       istate,Completed None
  +                       istate, Completed None
                      else
                          errorR(Error(FSComp.SR.packageManagementRequiresVFive(), m))
                          istate, Completed None
  
positive.code:             let istate,cont = InteractiveCatch errorLogger (fun istate -> processor.EvalIncludedScript (ctok, istate, sourceFile, rangeStdin, errorLogger)) istate
              match cont with
                | Completed _                -> processor.EvalIncludedScripts (ctok, istate, moreSourceFiles, errorLogger)
                | CompletedWithReportedError _ -> istate // do not process any more files              
                | CtrlC                      -> istate // do not process any more files 
                | EndOfFile                  -> assert false; istate // This is unexpected. EndOfFile is replaced by Completed in the called function 
  
  
negative.code:                       match contNew with 
                        | EndOfFile -> ()
                        | CtrlC -> loop (fsiStdinLexerProvider.CreateStdinLexer(errorLogger))   // After each interrupt, restart to a brand new tokenizer
                        | CompletedWithAlreadyReportedError
                        | CompletedWithReportedError _ 
                        | Completed _ -> loop currTokenizer
  
  