bug#27872: 26.0.50; freeze when opening file with emojis

[Eli Zaretskii]

> From: Nejc Vivod <nvivod@gmail.com>
> Date: Sun, 30 Jul 2017 00:44:24 +0200
> 
> Emacs installed via homebrew (--with-cocoa enabled) freezes with 100%
> CPU usage when opening a file that contains unicode emojis. Other
> editors handle the file just fine (and default mac emacs opens it, but
> doesn't display emojis).
> Steps to reproduce:
> 1. emacs -Q
> 2. open a file that contains a unicode emoji (my test file has a burger icon 
> in it - 🍔)
> 3. emacs will stop responding and keep the CPU at 100%
> 
> Is there a way to at least not display emojis (I’m fine with blocks)? Thank 
> you in advance

It doesn't freeze here, so it's something NS specific, I guess.