Examples of errors detected by the V3142 diagnostic

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

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;
}

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(....);
}

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);
  });
}