bug#66589: 30.0.50; core dump in redisplay

[Evgeny Zajcev <lg.zevlg@gmail.com>]

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вт, 17 окт. 2023 г. в 22:34, Evgeny Zajcev <lg.zevlg@gmail.com>:

>
>
> вт, 17 окт. 2023 г. в 22:23, Eli Zaretskii <eliz@gnu.org>:
>
>> > From: Evgeny Zajcev <lg.zevlg@gmail.com>
>> > Date: Tue, 17 Oct 2023 21:11:40 +0300
>> > Cc: 66589@debbugs.gnu.org
>> >
>> > (gdb) frame 19
>> > #19 0x000055ccdf1eb141 in gui_produce_glyphs (it=0x7ffef46c5660) at
>> > lisp.h:1179
>> > 1179      return make_lisp_symbol (&lispsym[index]);
>> > (gdb) p it->current
>> > $6 = {
>> >   pos = {
>> >     charpos = 10098,
>> >     bytepos = 14401
>> >   },
>> >   overlay_string_index = -1,
>> >   string_pos = {
>> >     charpos = -1,
>> >     bytepos = -1
>> >   },
>> >   dpvec_index = -1
>> > }
>> > (gdb) p current_buffer->zv
>> > No symbol "current_buffer" in current context.
>> > (gdb) p current_thread->m_current_buffer
>> > $7 = (struct buffer *) 0x55ccf0885fb0
>> > (gdb) p current_thread->m_current_buffer->zv
>> > $8 = 10106
>> > (gdb) p current_thread->m_current_buffer->text->beg[10000]@106
>> > $9 = "     \n    | ⮪ Yura› Позорище 🤦‍♂ у ФСБ только на Газель Хва",
>> > <incomplete sequence \320>
>> > (gdb)
>>
>> Hmm... what about this:
>>
>>   (gdb) frame 18
>>   (gdb) p current_thread->m_current_buffer->text->gpt_byte
>>   (gdb) p current_thread->m_current_buffer->zv_byte
>>   (gdb) p current_thread->m_current_buffer->text->beg[14350]@100
>>
>
> (gdb) frame 18
> #18 produce_glyphless_glyph (it=0x7ffef46c5660,
> for_no_font=for_no_font@entry=false, acronym=acronym@entry=XIL(0)) at
> xdisp.c:32165
> 32165             sprintf (buf, "%0*X", it->c < 0x10000 ? 4 : 6, it->c +
> 0u);
> (gdb) p current_thread->m_current_buffer->text->gpt_byte
> $10 = 5287
> (gdb) p current_thread->m_current_buffer->zv_byte
> $11 = 14409
> (gdb) p current_thread->m_current_buffer->text->beg[14350]@100
> $12 = ' ' <repeats 48 times>, "11:09\n(Д) Дени", ' ' <repeats 32 times>
> (gdb)
>

Take into account that char between (Д) and Дени из 0xa0, not a regular
space. My gmail web interface might changed it


-- 
lg

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