Kogut opened the ticket and wrote:

1. Leaving Start function
2. By changing-function-names voodo

main nut:

class TEST extends AIController{}

function Check(){}

_Check <- Check;
Check <- function()
{
local result = Check();
return result;
}

function TEST::Start()
{
AILog.Info("Checking")
Check();
AILog.Info("Passed")
}

info nut:

class TEST extends AIInfo {
function GetAuthor() { return "Kogut"; }
function GetName() { return "TEST"; }
function GetDescription() { return "TEST"; }
function GetVersion() { return 1; }
function GetAPIVersion() { return "1.2"; }
function CreateInstance() { return "TEST"; }
function GetShortName() { return "TEST"; }
function GetDate() { return "2012-10-1"; }
function UseAsRandomAI() { return false; }
}

function GetSettings() {

}

RegisterAI(TEST());

Reported version: trunk
Operating system: All

This issue was imported from FlySpray: https://bugs.openttd.org/task/5320