GNU bug report logs - #23221
25.0.92; Crash in redisplay during isearch

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Message #25 received at 23221-done <at> debbugs.gnu.org (full text, mbox):

From: Andy Moreton <andrewjmoreton <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 23221-done <at> debbugs.gnu.org
Subject: Re: bug#23221: 25.0.92; Crash in redisplay during isearch
Date: Tue, 5 Apr 2016 18:06:23 +0100

On 05/04/2016 5:00 PM, Eli Zaretskii wrote:
>> Cc: 23221 <at> debbugs.gnu.org
>> From: Andy Moreton <andrewjmoreton <at> gmail.com>
>> Date: Tue, 5 Apr 2016 16:42:59 +0100
>>
>> Feel free to close this, as I can't reproduce it, and I don't have the crashed
>> session open in gdb any more.
>
> Done.  Next time something like this happen, please try at least to
> establish the values directly involved in the assertion violation,
> like the character and byte position in this case.  (Did that a buffer
> include non-ASCII characters, btw?)

Sorry - I did intend to get a full backtrace, however MSYS2 gdb does not 
support readline properly, so it is all too easy to get it confused :-(

The buffer was a listing of the Cygwin mailing list at gmane.org, so included 
some non-ASCII characters in names, and some unicode box drawing chars in the 
threading tree:

(setq gnus-sum-thread-tree-single-indent   "□ "    ; U+25A1
      gnus-sum-thread-tree-false-root      "▷ "    ; U+25B7
      gnus-sum-thread-tree-root            "▶ "    ; U+25B6
      gnus-sum-thread-tree-vertical        "│ "    ; U+2502
      gnus-sum-thread-tree-leaf-with-other "├─□ "  ; U+251C U+2500 U+25A1
      gnus-sum-thread-tree-single-leaf     "╰─□ "  ; U+2570 U+2500 U+25A1
      gnus-sum-thread-tree-indent          "  ")

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