bug#28630: 27.0.50; C-g while a non-main thread is sitting crashes Emacs

[Eli Zaretskii]

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Tue, 03 Oct 2017 16:22:56 +0000
> Cc: dgutov@yandex.ru, 28630@debbugs.gnu.org, tom@tromey.com, 
>       agrambot@gmail.com
> 
>  > Since no released version of Emacs has thread support, I'm not surprised 
> that they aren't widely used
>  yet.
> 
>  Well, I am, because Reddit, for example, is full of people who say
>  they use Emacs 26.
> 
> I guess there's a huge selection bias at play. Most users typically use 
> whatever version their OS distributor
> provides, and that's often not even Emacs 25. Libraries tend to support 24.x 
> as well, and therefore can't use
> threads until they drop compatibility with both 24.x and 25.x. 

We are talking about developers, not users.  And newer versions can be
supported by using the relevant version-comparison stuff.