bug#25241: Emacs 25.1.90 pretest crash on macOS 10.10 Yosemite

[Eli Zaretskii]

> From: Alexis Layton <alexis.layton@post.harvard.edu>
> Date: Tue, 20 Dec 2016 21:45:47 -0500
> 
> I run the Mac OS (X) binary distributions built by David Caldwell at 
> www.emacsformacosx.com, which claim to be pure GNU Emacs. The latest pretest 
> 25.1.90 immediately crashes on OS X 10.10.5 Yosemite.
> 
> $ emacs -nw -q
> Illegal instruction: 4
> 
> I can't really give much more information. 25.1 and all of its protests and 
> release candidates ran fine, and the released version continues to do so.

It would help if you could run Emacs under a debugger and show
backtrace when it crashes.

Thanks.