GNU bug report logs - #30243
26.0.91; Infinite recursion in `make-auto-save-file-name' for quoted filenames

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From: Philipp Stephani <p.stephani2 <at> gmail.com>
To: phst <at> a.muc.corp.google.com
Cc: 30243 <at> debbugs.gnu.org
Subject: bug#30243: 26.0.91; Infinite recursion in `make-auto-save-file-name' for quoted filenames
Date: Wed, 24 Jan 2018 22:43:38 +0000

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<phst <at> a.muc.corp.google.com> schrieb am Mi., 24. Jan. 2018 um 23:23 Uhr:

>
> emacs -Q -nw -batch --eval=3D'(with-temp-buffer (let ((buffer-file-name
> "/:=
> /tmp/x")) (make-auto-save-file-name)))'
> Variable binding depth exceeds max-specpdl-size
>
>
According to git bisect, the problematic commit is:

commit a1bbc490155b61a634a6d0b165000ce35b93aa35 (HEAD, refs/bisect/bad)
Author: Michael Albinus <michael.albinus <at> gmx.de>
Date:   Wed Dec 6 20:49:30 2017 +0100

    Fix Bug#29579

    * lisp/files.el (file-name-non-special):
    Inhibit `file-name-handler-alist' only for some operations.
    Add missing operations.  (Bug#29579)

[...]

which makes sense because it touches the part of the code that's causing
issues.
Since this commit was a bug fix for a related issue with quoted file names,
reverting it is probably not the best way forward. We should push a fix and
make a new pretest.

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