bug#42904: [PATCH] Non-Unicode frame title crashes Emacs on macOS

[Andrii Kolomoiets]

Mattias Engdegård <mattiase@acm.org> writes:

> Setting a frame title that contains non-Unicode characters causes a crash in 
> the NS backend. (Other platforms may or may not deal with it appropriately -- 
> if you have the opportunity to test, please report.)
>
> Since the title is typically derived from the buffer name, this is easily 
> reproduced by
>
>  (rename-buffer "n\351")

Looks like this is related to bug#41184