Introduced in this commit:

commit 1502b377d35d6db623301829549ebcab9a2777e6
Author: Daniel Colascione <dancol@dancol.org>
Date:   Sat Jun 16 12:43:56 2018 -0700

    Decouple dired from regex internals

    * src/dired.c: Remove use of regex.h
    (directory_files_internal): Use higher-level regular
    expression functions.

On Thu, 27 Dec 2018 at 15:35, Richard Copley <rcopley@gmail.com> wrote:

> Recipe from 'emacs -Q':
> M-: (directory-files "." nil t) RET
>
> Expected result: wrong-type-argument error is signaled.
> Actual result: access violation, backtrace below
>