GNU bug report logs - #27668
26.0.50; Crash with display-line-numbers t

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Message #50 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: bug-gnu-emacs <at> gnu.org
Subject: Re: bug#27668: 26.0.50; Crash with display-line-numbers t
Date: Thu, 13 Jul 2017 22:22:49 +0300

> From: Robert Pluim <rpluim <at> gmail.com>
> Date: Thu, 13 Jul 2017 20:17:51 +0200
> 
> (gdb) p  it->glyph_row->used[TEXT_AREA]
> $1 = 66
> 
> (gdb) bt
> #0  terminate_due_to_signal (sig=sig <at> entry=6, backtrace_limit=backtrace_limit <at> entry=2147483647) at emacs.c:363
> #1  0x00000000005a5084 in die (msg=msg <at> entry=0x6987d8 "pdl->kind == SPECPDL_BACKTRACE", file=file <at> entry=0x698448 "eval.c", line=line <at> entry=150) at alloc.c:7348
> #2  0x0000000000419f3b in backtrace_function (pdl=<optimized out>) at eval.c:150
> #3  <function called from gdb>
> #4  maybe_produce_line_number (it=it <at> entry=0x7fffffff8130) at xdisp.c:21010
> #5  0x0000000000465365 in display_line (it=it <at> entry=0x7fffffff8130, cursor_vpos=cursor_vpos <at> entry=16) at xdisp.c:21225
> #6  0x00000000004672bd in try_window (window=..., window <at> entry=XIL(0x146d7d5), pos=..., flags=flags <at> entry=1) at xdisp.c:17544
> #7  0x000000000047f9ab in redisplay_window (window=XIL(0x146d7d5), just_this_one_p=just_this_one_p <at> entry=false) at xdisp.c:16991
> #8  0x00000000004831fb in redisplay_window_0 (window=..., window <at> entry=XIL(0x146d7d5)) at xdisp.c:14751

Curiouser and curiouser...

OK, in frame #5, the one in display_line, what do these produce:

  (gdb) p it->current
  (gdb) pgrowx it->glyph_row

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