bug#44448: Fwd: bug#44448:

[Eli Zaretskii]

> From: Amai Kinono <amaikinono@gmail.com>
> Date: Wed, 18 Aug 2021 02:09:14 +0800
> Cc: 44448@debbugs.gnu.org
> 
> When I press Ctrl+f+g+b, the point jumps back to 11524. Here's the backtrace:
> 
> ```
> Thread 1 "emacs" hit Breakpoint 1, signal_or_quit (error_symbol=..., 
> data=..., keyboard_quit=false) at
> eval.c:1793
> 1793 {
> #0  signal_or_quit (error_symbol=..., data=..., keyboard_quit=false) at 
> eval.c:1793
> #1  0x000056215e7d87ad in quit () at eval.c:1783
> #2  0x000056215e7d868b in process_quit_flag () at eval.c:1730
> #3  0x000056215e7d86d7 in maybe_quit () at eval.c:1750
> #4  0x000056215e7eae6f in Fdelq (elt=..., list=...) at fns.c:1841
> #5  0x000056215e7fbb95 in font_put_extra (font=..., prop=..., val=...) at 
> font.c:745
> #6  0x000056215e8042a5 in font_clear_prop (attrs=0x7ffd696120e0, 
> prop=FONT_SLANT_INDEX) at
> font.c:3114
> #7  0x000056215e683b71 in merge_face_vectors (w=0x562161abb2c8, 
> f=0x562160c3ca78,
> from=0x7ffd69611cb0, to=0x7ffd696120e0, named_merge_points=0x7ffd69611c90) at 
> xfaces.c:2234
> #8  0x000056215e6841fb in merge_named_face (w=0x562161abb2c8, 
> f=0x562160c3ca78, face_name=...,
> to=0x7ffd696120e0, named_merge_points=0x7ffd69611c90, attr_filter=0) at 
> xfaces.c:2350
> #9  0x000056215e685b4e in merge_face_ref (w=0x562161abb2c8, f=0x562160c3ca78, 
> face_ref=...,
> to=0x7ffd696120e0, err_msgs=true, named_merge_points=0x0, attr_filter=0) at 
> xfaces.c:2834
> #10 0x000056215e6908b2 in face_at_buffer_position (w=0x562161abb2c8, 
> pos=11394,
> endptr=0x7ffd696121e0, limit=11494, mouse=false, base_face_id=0, 
> attr_filter=0) at xfaces.c:6441
> #11 0x000056215e583e8e in face_at_pos (it=0x7ffd69613900, attr_filter=0) at 
> xdisp.c:4379
> #12 0x000056215e584177 in handle_face_prop (it=0x7ffd69613900) at xdisp.c:4475
> #13 0x000056215e582423 in handle_stop (it=0x7ffd69613900) at xdisp.c:3854
> #14 0x000056215e592956 in next_element_from_buffer (it=0x7ffd69613900) at 
> xdisp.c:8905
> #15 0x000056215e58ea69 in get_next_display_element (it=0x7ffd69613900) at 
> xdisp.c:7494
> #16 0x000056215e5c590d in display_line (it=0x7ffd69613900, cursor_vpos=17) at 
> xdisp.c:23588
> #17 0x000056215e5b5c7e in try_window (window=..., pos=..., flags=1) at 
> xdisp.c:19499
> #18 0x000056215e5b2859 in redisplay_window (window=..., 
> just_this_one_p=false) at xdisp.c:18906

Thanks, I installed another fix for this.