bug#61629: closed (master: Sometimes M-x imenu throws an error when there's a single function in the buffer.)

[GNU bug Tracking System]

Your message dated Sun, 19 Feb 2023 16:17:03 +0000
with message-id <Y/JLfztLjHIZd//0@ACM>
and subject line Re: bug#61629: master: Sometimes M-x imenu throws an error 
when there's a single function in the buffer.
has caused the debbugs.gnu.org bug report #61629,
regarding master: Sometimes M-x imenu throws an error when there's a single 
function in the buffer.
to be marked as done.

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-- 
61629: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=61629
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> --- Begin Message ---
>
>
>
> Subject: 
>
> master: Sometimes M-x imenu throws an error when there's a single function in the buffer.
>
>
>
>
> Date: 
>
> Sun, 19 Feb 2023 15:39:13 +0000
>
>
>
>
> Hello, Emacs.
>
> On the master branch, the recipe below leads to an error being thrown
> from imenu.
>
> Awareness of this bug resulted from the thread Subject: Error in C++
> Mode with Emacs 27.0.90, Date: Tue 24 Mar 2020, From: Angelo Graziosi.
> This thread reported a bug in imenu, which never made it to debbugs, but
> which was partially fixed.
>
> Thanks to Dmitry Gutov, who made me aware of the bit that didn't get
> fixed then.
>
> To reproduce the error in the master branch:
> (i) emacs -Q in a GUI environment.
> (ii) Evaluate the following:
>
> ;; C/C++ modes
> (defun my-c-mode ()
>   "My customization for `c-mode' and `c++-mode'."
>   ;; Add index of func. to menu bar
>   (imenu-add-to-menubar "Functions"))
>
> ;; c++-mode
> (add-hook 'c-mode-common-hook 'my-c-mode)
>
> (setq imenu-auto-rescan t)
> (setq imenu-use-popup-menu t)
>
> (iii) Type the following into an empty C++ buffer called graziosi.cc:
>
> int main ()
> {
>     return 0;
> }
>
> (iv) M-x imenu<RET>.
>
> This throws the error "Wrong type argument: seqencep, #<marker at 1 in
> graziosi.cc>".  This is a bug.
>
> -- 
> Alan Mackenzie (Nuremberg, Germany).
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: bug#61629: master: Sometimes M-x imenu throws an error when there's a single function in the buffer.
>
>
>
>
> Date: 
>
> Sun, 19 Feb 2023 16:17:03 +0000
>
>
>
>
> Bug fixed in master.
>
> On Sun, Feb 19, 2023 at 15:39:13 +0000, Alan Mackenzie wrote:
> > On the master branch, the recipe below leads to an error being thrown
> > from imenu.
>
> > Awareness of this bug resulted from the thread Subject: Error in C++
> > Mode with Emacs 27.0.90, Date: Tue 24 Mar 2020, From: Angelo Graziosi.
> > This thread reported a bug in imenu, which never made it to debbugs, but
> > which was partially fixed.
>
> > Thanks to Dmitry Gutov, who made me aware of the bit that didn't get
> > fixed then.
>
> > To reproduce the error in the master branch:
> > (i) emacs -Q in a GUI environment.
> > (ii) Evaluate the following:
>
> > ;; C/C++ modes
> > (defun my-c-mode ()
> >   "My customization for `c-mode' and `c++-mode'."
> >   ;; Add index of func. to menu bar
> >   (imenu-add-to-menubar "Functions"))
>
> > ;; c++-mode
> > (add-hook 'c-mode-common-hook 'my-c-mode)
>
> > (setq imenu-auto-rescan t)
> > (setq imenu-use-popup-menu t)
>
> > (iii) Type the following into an empty C++ buffer called graziosi.cc:
>
> > int main ()
> > {
> >     return 0;
> > }
>
> > (iv) M-x imenu<RET>.
>
> > This throws the error "Wrong type argument: seqencep, #<marker at 1 in
> > graziosi.cc>".  This is a bug.
>
> -- 
> Alan Mackenzie (Nuremberg, Germany).
>
>
>
>
> --- End Message ---