GNU bug report logs - #58288
29.0.50; (flyspell-correct-word-before-point) followed by <down> crashes emacs

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Message #14 received at 58288 <at> debbugs.gnu.org (full text, mbox):

From: Robert Pluim <rpluim <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 58288 <at> debbugs.gnu.org, Lars Ingebrigtsen <larsi <at> gnus.org>,
 ajd2195 <at> columbia.edu
Subject: Re: bug#58288: 29.0.50; (flyspell-correct-word-before-point)
 followed by <down> crashes emacs
Date: Tue, 04 Oct 2022 15:16:43 +0200

>>>>> On Tue, 04 Oct 2022 15:32:00 +0300, Eli Zaretskii <eliz <at> gnu.org> said:

    >> I can reproduce this crash on Macos (but not on Ubuntu) with the current
    >> "master".
    >> 
    >> However, I'm not well versed in debugging stuff like this on Macos, so
    >> if somebody else could have a look, that'd be great.

    Eli> If you or someone else could show a meaningful backtrace, maybe the
    Eli> reason will become evident.

(this is not current master. I doubt that changes things, but I can
recompile if needed)

Process 48138 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x3)
    frame #0: 0x00000001000743b0 emacs`find_and_return_menu_selection [inlined] AREF(array=<unavailable>, idx=0) at lisp.h:1941:10 [opt]
   1938	AREF (Lisp_Object array, ptrdiff_t idx)
   1939	{
   1940	  eassert (0 <= idx && idx < gc_asize (array));
-> 1941	  return XVECTOR (array)->contents[idx];
   1942	}
   1943
   1944	INLINE Lisp_Object *
Target 0: (emacs) stopped.
warning: emacs was compiled with optimization - stepping may behave oddly; variables may not be available.
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x3)
  * frame #0: 0x00000001000743b0 emacs`find_and_return_menu_selection [inlined] AREF(array=<unavailable>, idx=0) at lisp.h:1941:10 [opt]
    frame #1: 0x00000001000743b0 emacs`find_and_return_menu_selection(f=0x00000001040cde30, keymaps=false, client_data=0x0000000103071c80) at menu.c:988:17 [opt]
    frame #2: 0x0000000100249fce emacs`-[EmacsMenu runMenuAt:forFrame:keymaps:](self=0x000060000175d840, _cmd=<unavailable>, p=(x = 86, y = 464), f=0x00000001040cde30, keymaps=false) at nsmenu.m:767:9 [opt]

Robert
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