Examples of errors detected by the V3142 diagnostic

V3142. Unreachable code detected. It is possible that an error is present.

MassTransit

V3142 Unreachable code detected. It is possible that an error is present. AssemblyFinder.cs 26

public static IEnumerable<Assembly> FindAssemblies(....)
{
  var assemblyPath = AppDomain.CurrentDomain.BaseDirectory;
  var binPath = string.Empty;                                           // <=

  if (string.IsNullOrEmpty(binPath))                                    // <=
    return FindAssemblies(assemblyPath,loadFailure, includeExeFiles, filter);

  if (Path.IsPathRooted(binPath))
    return FindAssemblies(binPath, loadFailure, includeExeFiles, filter);

  string[] binPaths = binPath.Split(';');
  return binPaths.SelectMany(bin =>
  {
      var path = Path.Combine(assemblyPath, bin);
      return FindAssemblies(path, loadFailure, includeExeFiles, filter);
  });
}

Emby

V3142 Unreacheble code detected. It is possible that an error is present. HdHomerunHost.cs 621

protected override async Task<ILiveStream> GetChannelStream(....)
{

    ....
    var enableHttpStream = true;
    if (enableHttpStream)
    {
        mediaSource.Protocol = MediaProtocol.Http;

        var httpUrl = channelInfo.Path;

        // If raw was used, the tuner doesn't support params
        if (!string.IsNullOrWhiteSpace(profile) &&
            !string.Equals(profile, "native",
                           StringComparison.OrdinalIgnoreCase))
        {
            httpUrl += "?transcode=" + profile;
        }
        mediaSource.Path = httpUrl;

        return new SharedHttpStream(....);
    }

    return new HdHomerunUdpStream(....);
}

osu!

V3142 [CWE-561] Unreachable code detected. It is possible that an error is present. DrawableHoldNote.cs 214

public override bool OnPressed(ManiaAction action)
{
  if (!base.OnPressed(action))
    return false;

  if (Result.Type == HitResult.Miss)  // <=
    holdNote.hasBroken = true;
  ....
}

public virtual bool OnPressed(ManiaAction action)
{
  if (action != Action.Value)
    return false;

  return UpdateResult(true);
}

protected bool UpdateResult(bool userTriggered)
{
  if (Time.Elapsed < 0)
    return false;

  if (Judged)
    return false;

  ....

  return Judged;
}