bug#30800: 26.0.91; unknown crash on macos

[Eli Zaretskii]

> From: Aaron Jensen <aaronjensen@gmail.com>
> Date: Wed, 21 Mar 2018 10:31:11 -0700
> Cc: Alan Third <alan@idiocy.org>, 30800@debbugs.gnu.org
> 
> This repros on emacs-26, which, afaict, does not have this commit.

Then I don't understand: you said this started happening only very
recently, but I could see no related changes on emacs-26.  Is your
build --with-wide-int, per chance?  Can you try bisecting?