It looks like this problem isn't related to Irrlicht (we don't use UITextField in Irrlicht), but to your code and how you manage UITextField. Check this fix:
https://github.com/boyu0/cocos2d-x/comm ... 577e3120f1
Crash while using iOS 7's speech input
Re: Crash while using iOS 7's speech input
Library helping with network requests, tasks management, logger etc in desktop and mobile apps: https://github.com/GrupaPracuj/hermes
Re: Crash while using iOS 7's speech input
Why not? This is Objective-C++, however important changes are related to Objective-C.
Library helping with network requests, tasks management, logger etc in desktop and mobile apps: https://github.com/GrupaPracuj/hermes