* bug#21200: 25.0.50; xdisp.c: infinite loop when using invisibility specs
2015-08-06 19:36 ` Eli Zaretskii
@ 2015-08-06 21:16 ` Pip Cet
2015-08-07 13:46 ` Eli Zaretskii
0 siblings, 1 reply; 4+ messages in thread
From: Pip Cet @ 2015-08-06 21:16 UTC (permalink / raw)
Cc: 21200
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Dear Eli,
thank you for responding. I've attached the output of M-x
report-emacs-bug, including the gdb backtrace and a test script that
triggers the problem. If you need me to run further tests, please let
me know.
My apologies for sending an incomplete report at first.
Thanks!
On Thu, Aug 6, 2015 at 7:36 PM, Eli Zaretskii <eliz@gnu.org> wrote:
>> Date: Thu, 6 Aug 2015 18:26:05 +0000
>> From: Pip Cet <pipcet@gmail.com>
>>
>> with the current git tree (revision 0aec2aac), I'm running into
>> problems with an infinite loop in xdisp.c which I believe to be fixed
>> by this patch, which is reasonably obvious:
>>
>> diff --git a/src/xdisp.c b/src/xdisp.c
>> index e45cb87..7b221d4 100644
>> --- a/src/xdisp.c
>> +++ b/src/xdisp.c
>> @@ -4221,6 +4221,8 @@ handle_invisible_prop (struct it *it)
>> if (invis == 2)
>> display_ellipsis_p = true;
>> }
>> +
>> + charpos = end_charpos;
>> }
>> while (invis != 0 && endpos < len);
>>
>> in this loop:
>>
>> do
>> {
>> end_charpos = Fnext_single_property_change (charpos, Qinvisible,
>> it->string, limit);
>> if (INTEGERP (end_charpos))
>> {
>> endpos = XFASTINT (end_charpos);
>> charpos = end_charpos;
>> prop = Fget_text_property (end_charpos, Qinvisible, it->string);
>> invis = TEXT_PROP_MEANS_INVISIBLE (prop);
>> if (invis == 2)
>> display_ellipsis_p = true;
>> }
>> }
>> while (invis != 0 && endpos < len);
>>
>> Without the patch, we keep calling Fnext_property_change with the same
>> arguments and expecting a different result, which obviously never
>> happens. In fact it seems to me we only need one of charpos and
>> end_charpos as the code currently stands, anyway. However, charpos =
>> f(..., charpos, ...) might cause confusion.
>>
>> I can provide more detail if necessary, but as I said, it's a fairly
>> obvious bug.
>
> Yes, please provide the details, and preferably also a recipe where
> you see the loop.
>
> Thanks.
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--text follows this line--
The following code crashes emacs -Q --load test.el:
----
(let ((o (make-overlay (point) (point))))
(overlay-put o 'after-string (concat (propertize "hi" 'invisible 'symbol)
(propertize "bye" 'invisible 'symbol2))))
----
bt full
bt full
#0 0x00000000004507e0 in handle_invisible_prop (it=0x7ffde3ebcc20) at /home/pip/git/emacs/src/xdisp.c:4210
display_ellipsis_p = false
endpos = <optimized out>
end_charpos = <optimized out>
handled = HANDLED_RECOMPUTE_PROPS
invis = 1
prop = <optimized out>
#1 0x000000000043e20a in handle_stop (it=0x7ffde3ebcc20) at /home/pip/git/emacs/src/xdisp.c:3313
handled = HANDLED_NORMALLY
handle_overlay_change_p = true
p = 0x83c530 <it_props+48>
#2 0x000000000044bd87 in start_display (it=it@entry=0x7ffde3ebcc20, w=w@entry=0x11f1130, pos=...) at /home/pip/git/emacs/src/xdisp.c:2944
row = <optimized out>
#3 0x000000000044d02f in try_window (window=window@entry=18813237, pos=..., flags=flags@entry=1) at /home/pip/git/emacs/src/xdisp.c:16888
it = {window = 18813237, w = 0x11f1130, f = 0x11ef2b0, method = GET_FROM_STRING, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, end_charpos = 5, s = 0x0, string_nchars = 0, redisplay_end_trigger_charpos = 0, multibyte_p = false, header_line_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, from_disp_prop_p = false, ellipsis_p = false, avoid_cursor_p = false, dp = 0x0, dpvec = 0x0, dpend = 0x0, dpvec_char_len = 0, dpvec_face_id = 0, saved_face_id = 0, ctl_chars = {0 <repeats 16 times>}, start = {pos = {charpos = 1, bytepos = 1}, overlay_string_index = -1, string_pos = {charpos = -1, bytepos = -1}, dpvec_index = -1}, current = {pos = {charpos = 1, bytepos = 1}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = -1}, n_overlay_strings = 1, overlay_strings_charpos = 1, overlay_strings = {34689668, 0 <repeats 15 times>}, string_overlays = {12660409, 0 <repeats 15 times>}, string = 34689668, from_overlay = 0, stack = {{string = 0, string_nchars = 0, end_charpos = 192, stop_charpos = 4, prev_stop = 1, base_level_stop = 0, cmp_it = {stop_pos = 78, id = -1, ch = -2, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 16, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 1, bytepos = 1}, current = {pos = {charpos = 1, bytepos = 1}, overlay_string_index = 0, string_pos = {charpos = -1, bytepos = -1}, dpvec_index = -1}, from_overlay = 0, area = TEXT_AREA, method = GET_FROM_BUFFER, paragraph_embedding = L2R, multibyte_p = true, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = true, from_disp_prop_p = false, line_wrap = WINDOW_WRAP, voffset = 0, space_width = 0, font_height = 0}, {string = 0, string_nchars = 0, end_charpos = 0, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, cmp_it = {stop_pos = 0, id = 0, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 0, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 0, bytepos = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, from_overlay = 0, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = false, from_disp_prop_p = false, line_wrap = TRUNCATE, voffset = 0, space_width = 0, font_height = 0}, {string = 0, string_nchars = 0, end_charpos = 0, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, cmp_it = {stop_pos = 0, id = 0, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 0, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 0, bytepos = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, from_overlay = 0, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = false, from_disp_prop_p = false, line_wrap = TRUNCATE, voffset = 0, space_width = 0, font_height = 0}, {string = 0, string_nchars = 0, end_charpos = 0, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, cmp_it = {stop_pos = 0, id = 0, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 0, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 0, bytepos = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, from_overlay = 0, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = false, from_disp_prop_p = false, line_wrap = TRUNCATE, voffset = 0, space_width = 0, font_height = 0}, {string = 0, string_nchars = 0, end_charpos = 0, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, cmp_it = {stop_pos = 0, id = 0, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 0, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 0, bytepos = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, from_overlay = 0, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = false, from_disp_prop_p = false, line_wrap = TRUNCATE, voffset = 0, space_width = 0, font_height = 0}}, sp = 1, selective = 0, what = IT_CHARACTER, face_id = 16, selective_display_ellipsis_p = true, ctl_arrow_p = true, face_box_p = false, start_of_box_run_p = false, end_of_box_run_p = false, overlay_strings_at_end_processed_p = false, ignore_overlay_strings_at_pos_p = false, glyph_not_available_p = false, starts_in_middle_of_char_p = false, face_before_selective_p = false, constrain_row_ascent_descent_p = false, line_wrap = WINDOW_WRAP, base_face_id = 0, c = 59, len = 0, cmp_it = {stop_pos = 78, id = -1, ch = -2, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, char_to_display = 0, glyphless_method = GLYPHLESS_DISPLAY_THIN_SPACE, image_id = 0, slice = {x = 0, y = 0, width = 0, height = 0}, space_width = 0, voffset = 0, tab_width = 8, font_height = 0, object = 12614917, position = {charpos = 1, bytepos = 1}, truncation_pixel_width = 0, continuation_pixel_width = 7, first_visible_x = 0, last_visible_x = 560, last_visible_y = 429, extra_line_spacing = 0, max_extra_line_spacing = 0, override_ascent = -1, override_descent = 0, override_boff = 0, glyph_row = 0x201be50, area = TEXT_AREA, nglyphs = 1, pixel_width = 0, ascent = 0, descent = 0, max_ascent = 0, max_descent = 0, phys_ascent = 0, phys_descent = 0, max_phys_ascent = 0, max_phys_descent = 0, current_x = 0, continuation_lines_width = 0, eol_pos = {charpos = 0, bytepos = 0}, current_y = 0, first_vpos = 0, vpos = 0, hpos = 0, left_user_fringe_bitmap = 0, right_user_fringe_bitmap = 0, left_user_fringe_face_id = 0, right_user_fringe_face_id = 0, bidi_p = true, bidi_it = {bytepos = 0, charpos = 0, ch = 0, nchars = -1, ch_len = 0, type = NEUTRAL_B, type_after_wn = NEUTRAL_B, orig_type = NEUTRAL_B, resolved_level = 0 '\000', isolate_level = 0 '\000', invalid_levels = 0, invalid_isolates = 0, prev = {charpos = 0, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, last_strong = {charpos = 0, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, next_for_neutral = {charpos = -1, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, prev_for_neutral = {charpos = -1, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, next_for_ws = {charpos = 0, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, bracket_pairing_pos = -1, bracket_enclosed_type = UNKNOWN_BT, next_en_pos = 0, next_en_type = UNKNOWN_BT, sos = L2R, scan_dir = 0, disp_pos = -1, disp_prop = 0, stack_idx = 0, level_stack = {{next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'} <repeats 128 times>}, string = {lstring = 34689668, s = 0x0, schars = 5, bufpos = 1, from_disp_str = false, unibyte = true}, w = 0x11f1130, paragraph_dir = NEUTRAL_DIR, separator_limit = -1, first_elt = true, new_paragraph = true, frame_window_p = true}, paragraph_embedding = L2R}
last_text_row = 0x0
frame_line_height = 13
#4 0x0000000000462511 in redisplay_window (window=<optimized out>, just_this_one_p=just_this_one_p@entry=false) at /home/pip/git/emacs/src/xdisp.c:16367
d2 = 0
d6 = 0
d1 = 0
d5 = 0
rtop = 0
rbot = 0
old = <optimized out>
lpoint = <optimized out>
opoint = <optimized out>
startp = {charpos = 1, bytepos = 1}
update_mode_line = true
it = {window = 0, w = 0x0, f = 0x0, method = GET_FROM_BUFFER, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, end_charpos = 0, s = 0x0, string_nchars = 0, redisplay_end_trigger_charpos = 0, multibyte_p = false, header_line_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, from_disp_prop_p = false, ellipsis_p = false, avoid_cursor_p = false, dp = 0x0, dpvec = 0x0, dpend = 0x0, dpvec_char_len = 0, dpvec_face_id = 0, saved_face_id = 0, ctl_chars = {0 <repeats 16 times>}, start = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, n_overlay_strings = 0, overlay_strings_charpos = 0, overlay_strings = {0 <repeats 16 times>}, string_overlays = {0 <repeats 16 times>}, string = 0, from_overlay = 0, stack = {{string = 0, string_nchars = 0, end_charpos = 0, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, cmp_it = {stop_pos = 0, id = 0, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 0, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 0, bytepos = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, from_overlay = 0, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = false, from_disp_prop_p = false, line_wrap = TRUNCATE, voffset = 0, space_width = 0, font_height = 0}, {string = 0, string_nchars = 0, end_charpos = 0, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, cmp_it = {stop_pos = 0, id = 0, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 0, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 0, bytepos = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, from_overlay = 0, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = false, from_disp_prop_p = false, line_wrap = TRUNCATE, voffset = 0, space_width = 0, font_height = 0}, {string = 0, string_nchars = 0, end_charpos = 0, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, cmp_it = {stop_pos = 0, id = 0, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 0, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 0, bytepos = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, from_overlay = 0, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = false, from_disp_prop_p = false, line_wrap = TRUNCATE, voffset = 0, space_width = 0, font_height = 0}, {string = 0, string_nchars = 0, end_charpos = 0, stop_charpos = 0, prev_stop = 0, base_level_stop = 0, cmp_it = {stop_pos = 0, id = 0, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 0, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 0, bytepos = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, from_overlay = 0, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = false, from_disp_prop_p = false, line_wrap = TRUNCATE, voffset = 0, space_width = 0, font_height = 0}, {string = 0, string_nchars = 0, end_charpos = 0, stop_charpos = 8589934595, prev_stop = 395136991232, base_level_stop = 1, cmp_it = {stop_pos = 0, id = -1, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, face_id = 92, u = {image = {object = 0, slice = {x = 0, y = 0, width = 0, height = 0}, image_id = 0}, comp = {object = 0}, stretch = {object = 0}}, position = {charpos = 524288, bytepos = 0}, current = {pos = {charpos = 0, bytepos = 0}, overlay_string_index = 0, string_pos = {charpos = 0, bytepos = 0}, dpvec_index = 0}, from_overlay = 4294967295, area = LEFT_MARGIN_AREA, method = GET_FROM_BUFFER, paragraph_embedding = NEUTRAL_DIR, multibyte_p = false, string_from_display_prop_p = false, string_from_prefix_prop_p = false, display_ellipsis_p = false, avoid_cursor_p = false, bidi_p = false, from_disp_prop_p = false, line_wrap = TRUNCATE, voffset = 1, space_width = 42949672967, font_height = 42949672963}}, sp = 3, selective = 34359738369, what = IT_COMPOSITION, face_id = 0, selective_display_ellipsis_p = false, ctl_arrow_p = false, face_box_p = false, start_of_box_run_p = false, end_of_box_run_p = false, overlay_strings_at_end_processed_p = false, ignore_overlay_strings_at_pos_p = false, glyph_not_available_p = false, starts_in_middle_of_char_p = false, face_before_selective_p = false, constrain_row_ascent_descent_p = false, line_wrap = TRUNCATE, base_face_id = 0, c = 0, len = 0, cmp_it = {stop_pos = 0, id = 0, ch = 0, rule_idx = 0, lookback = 0, nglyphs = 0, reversed_p = false, charpos = 0, nchars = 0, nbytes = 0, from = 0, to = 0, width = 0}, char_to_display = 0, glyphless_method = GLYPHLESS_DISPLAY_THIN_SPACE, image_id = 0, slice = {x = 0, y = 0, width = 0, height = 0}, space_width = 0, voffset = 0, tab_width = 0, font_height = 0, object = 0, position = {charpos = 0, bytepos = 0}, truncation_pixel_width = 0, continuation_pixel_width = 0, first_visible_x = 0, last_visible_x = 0, last_visible_y = 0, extra_line_spacing = 0, max_extra_line_spacing = 0, override_ascent = 0, override_descent = 0, override_boff = 0, glyph_row = 0x0, area = LEFT_MARGIN_AREA, nglyphs = 0, pixel_width = 0, ascent = 0, descent = 0, max_ascent = 0, max_descent = 0, phys_ascent = 0, phys_descent = 0, max_phys_ascent = 0, max_phys_descent = 0, current_x = 0, continuation_lines_width = 0, eol_pos = {charpos = 0, bytepos = 0}, current_y = 0, first_vpos = 0, vpos = 0, hpos = 0, left_user_fringe_bitmap = 0, right_user_fringe_bitmap = 0, left_user_fringe_face_id = 0, right_user_fringe_face_id = 0, bidi_p = false, bidi_it = {bytepos = 0, charpos = 0, ch = 0, nchars = 0, ch_len = 0, type = UNKNOWN_BT, type_after_wn = UNKNOWN_BT, orig_type = UNKNOWN_BT, resolved_level = 0 '\000', isolate_level = 0 '\000', invalid_levels = 0, invalid_isolates = 0, prev = {charpos = 0, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, last_strong = {charpos = 0, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, next_for_neutral = {charpos = 0, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, prev_for_neutral = {charpos = 0, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, next_for_ws = {charpos = 0, type = UNKNOWN_BT, orig_type = UNKNOWN_BT}, bracket_pairing_pos = 0, bracket_enclosed_type = UNKNOWN_BT, next_en_pos = 0, next_en_type = UNKNOWN_BT, sos = NEUTRAL_DIR, scan_dir = 0, disp_pos = 0, disp_prop = 0, stack_idx = 0, level_stack = {{next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'} <repeats 65 times>, {next_for_neutral_pos = 16384, next_for_neutral_type = 4, last_strong_type = 2, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344064, next_for_neutral_type = 0, last_strong_type = 6, prev_for_neutral_type = 7, level = 61 '=', flags = 1 '\001'}, {next_for_neutral_pos = 20825872, next_for_neutral_type = 0, last_strong_type = 4, prev_for_neutral_type = 3, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 2, prev_for_neutral_type = 6, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 19776, next_for_neutral_type = 2, last_strong_type = 0, prev_for_neutral_type = 1, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344064, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 4955645, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 72057594037927936, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 20825584, next_for_neutral_type = 0, last_strong_type = 2, prev_for_neutral_type = 4, level = 61 '=', flags = 1 '\001'}, {next_for_neutral_pos = 140728427344168, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344160, next_for_neutral_type = 0, last_strong_type = 3, prev_for_neutral_type = 4, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 4, prev_for_neutral_type = 5, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 140728427344496, next_for_neutral_type = 0, last_strong_type = 4, prev_for_neutral_type = 5, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 20825872, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 20825584, next_for_neutral_type = 0, last_strong_type = 2, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 4390064, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 6, next_for_neutral_type = 0, last_strong_type = 7, prev_for_neutral_type = 7, level = 255 '\377', flags = 255 '\377'}, {next_for_neutral_pos = 5932263, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 5924271, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 0, next_for_neutral_type = 2, last_strong_type = 1, prev_for_neutral_type = 4, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 14784, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344152, next_for_neutral_type = 5, last_strong_type = 0, prev_for_neutral_type = 5, level = 15 '\017', flags = 2 '\002'}, {next_for_neutral_pos = 5930607, next_for_neutral_type = 2, last_strong_type = 0, prev_for_neutral_type = 1, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 6, next_for_neutral_type = 0, last_strong_type = 2, prev_for_neutral_type = 6, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 0, next_for_neutral_type = 2, last_strong_type = 0, prev_for_neutral_type = 1, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 0, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344152, next_for_neutral_type = 0, last_strong_type = 4, prev_for_neutral_type = 4, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 5948205, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344168, next_for_neutral_type = 1, last_strong_type = 1, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 1, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344496, next_for_neutral_type = 0, last_strong_type = 1, prev_for_neutral_type = 3, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 1, next_for_neutral_type = 2, last_strong_type = 0, prev_for_neutral_type = 1, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 5954664, next_for_neutral_type = 0, last_strong_type = 5, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 5919458, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344496, next_for_neutral_type = 7, last_strong_type = 7, prev_for_neutral_type = 7, level = 255 '\377', flags = 255 '\377'}, {next_for_neutral_pos = 0, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 66, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 7, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 5924271, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344496, next_for_neutral_type = 6, last_strong_type = 2, prev_for_neutral_type = 6, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344496, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 1, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 4393219, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 1, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 6, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 4448145, next_for_neutral_type = 0, last_strong_type = 6, prev_for_neutral_type = 1, level = 235 '\353', flags = 227 '\343'}, {next_for_neutral_pos = 8635712, next_for_neutral_type = 0, last_strong_type = 2, prev_for_neutral_type = 5, level = 131 '\203', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344496, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344496, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 1, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 1, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 4450576, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 140728427344496, next_for_neutral_type = 1, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 1, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 6, prev_for_neutral_type = 2, level = 30 '\036', flags = 1 '\001'}, {next_for_neutral_pos = 0, next_for_neutral_type = 0, last_strong_type = 4, prev_for_neutral_type = 1, level = 26 '\032', flags = 1 '\001'}, {next_for_neutral_pos = 1, next_for_neutral_type = 0, last_strong_type = 0, prev_for_neutral_type = 0, level = 0 '\000', flags = 0 '\000'}, {next_for_neutral_pos = 4509786, next_for_neutral_type = 0, last_strong_type = 2, prev_for_neutral_type = 6, level = 242 '\362', flags = 0 '\000'}, {next_for_neutral_pos = 55834574861, next_for_neutral_type = 5, last_strong_type = 4, prev_for_neutral_type = 1, level = 26 '\032', flags = 1 '\001'}, {next_for_neutral_pos = 18521696, next_for_neutral_type = 0, last_strong_type = 6, prev_for_neutral_type = 2, level = 30 '\036', flags = 1 '\001'}}, string = {lstring = 0, s = 0x42 <error: Cannot access memory at address 0x42>, schars = 0, bufpos = 0, from_disp_str = false, unibyte = true}, w = 0x0, paragraph_dir = NEUTRAL_DIR, separator_limit = 0, first_elt = false, new_paragraph = false, frame_window_p = false}, paragraph_embedding = NEUTRAL_DIR}
current_matrix_up_to_date_p = false
used_current_matrix_p = false
buffer_unchanged_p = false
temp_scroll_step = false
rc = 10
centering_position = -1
last_line_misfit = false
beg_unchanged = <optimized out>
end_unchanged = <optimized out>
frame_line_height = 13
#5 0x00000000004651cb in redisplay_window_0 (window=window@entry=18813237) at /home/pip/git/emacs/src/xdisp.c:14184
No locals.
#6 0x00000000005579cb in internal_condition_case_1 (bfun=bfun@entry=0x4651a0 <redisplay_window_0>, arg=18813237, handlers=<optimized out>, hfun=hfun@entry=0x42bab0 <redisplay_window_error>) at /home/pip/git/emacs/src/eval.c:1380
val = <optimized out>
c = <optimized out>
#7 0x000000000043158e in redisplay_windows (window=18813237) at /home/pip/git/emacs/src/xdisp.c:14164
No locals.
#8 0x00000000004539b9 in redisplay_internal () at /home/pip/git/emacs/src/xdisp.c:13756
gcscrollbars = <optimized out>
w = <optimized out>
sw = <optimized out>
pending = <optimized out>
must_finish = <optimized out>
match_p = <optimized out>
tlbufpos = <optimized out>
tlendpos = <optimized out>
number_of_visible_frames = <optimized out>
sf = <optimized out>
polling_stopped_here = <optimized out>
tail = 15922579
consider_all_windows_p = <optimized out>
update_miniwindow_p = true
#9 0x0000000000454da5 in redisplay () at /home/pip/git/emacs/src/xdisp.c:13019
No locals.
#10 0x00000000004f2913 in read_char (commandflag=commandflag@entry=1, map=map@entry=19782739, prev_event=0, used_mouse_menu=used_mouse_menu@entry=0x7ffde3ec1feb, end_time=end_time@entry=0x0) at /home/pip/git/emacs/src/keyboard.c:2540
echo_current = false
c = <optimized out>
jmpcount = <optimized out>
local_getcjmp = {{__jmpbuf = {28800, 192, -1, 5555063, 2, 0, 12614912, 0}, __mask_was_saved = 0, __saved_mask = {__val = {192, 770, 12614917, 0 <repeats 13 times>}}}}
save_jump = {{__jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0}, __mask_was_saved = 0, __saved_mask = {__val = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5932552, 2, 16831344, 1, 5535622, 16873280}}}}
tem = <optimized out>
save = <optimized out>
previous_echo_area_message = 0
also_record = 0
reread = false
polling_stopped_here = false
orig_kboard = 0xe1bd30
#11 0x00000000004f5129 in read_key_sequence (keybuf=keybuf@entry=0x7ffde3ec20c0, prompt=prompt@entry=0, dont_downcase_last=dont_downcase_last@entry=false, can_return_switch_frame=can_return_switch_frame@entry=true, fix_current_buffer=fix_current_buffer@entry=true, prevent_redisplay=prevent_redisplay@entry=false, bufsize=30) at /home/pip/git/emacs/src/keyboard.c:9161
interrupted_kboard = 0xe1bd30
interrupted_frame = 0x11ef2b0
key = <optimized out>
used_mouse_menu = false
echo_local_start = 0
last_real_key_start = <optimized out>
keys_local_start = <optimized out>
new_binding = <optimized out>
t = <optimized out>
echo_start = 0
keys_start = 0
current_binding = 19782739
first_event = 0
first_unbound = 31
mock_input = 0
fkey = {parent = 17311251, map = 17311251, start = 0, end = 0}
keytran = {parent = 12569155, map = 12569155, start = 0, end = 0}
indec = {parent = 17311315, map = 17311315, start = 0, end = 0}
shift_translated = false
delayed_switch_frame = 0
original_uppercase = 4501728
original_uppercase_position = -1
dummyflag = false
starting_buffer = 0xc07d00
fake_prefixed_keys = 0
#12 0x00000000004f6d91 in command_loop_1 () at /home/pip/git/emacs/src/keyboard.c:1402
cmd = <optimized out>
keybuf = {20825712, 139984625812736, 3, 9867741, 2822930839, 8199744, 9867736, 96, 140728427357216, 0, 140728427356608, 5604643, 4, 139981574111284, 0, 91, 0, 0, 511101108334, 27792, 27792, 0, 12766531, 4002, 140728427357216, 5537345, 27792, 64, 0, 5603144}
i = <optimized out>
prev_modiff = 0
prev_buffer = 0x0
#13 0x00000000005578a7 in internal_condition_case (bfun=bfun@entry=0x4f6b60 <command_loop_1>, handlers=handlers@entry=18672, hfun=hfun@entry=0x4edf70 <cmd_error>) at /home/pip/git/emacs/src/eval.c:1356
val = <optimized out>
c = <optimized out>
#14 0x00000000004e976c in command_loop_2 (ignore=ignore@entry=0) at /home/pip/git/emacs/src/keyboard.c:1134
val = 1896544
#15 0x0000000000557783 in internal_catch (tag=tag@entry=44496, func=func@entry=0x4e9750 <command_loop_2>, arg=arg@entry=0) at /home/pip/git/emacs/src/eval.c:1116
val = <optimized out>
c = <optimized out>
#16 0x00000000004e9729 in command_loop () at /home/pip/git/emacs/src/keyboard.c:1113
No locals.
#17 0x00000000004edb7b in recursive_edit_1 () at /home/pip/git/emacs/src/keyboard.c:723
val = <optimized out>
#18 0x00000000004edea0 in Frecursive_edit () at /home/pip/git/emacs/src/keyboard.c:794
buffer = <optimized out>
#19 0x0000000000417d9b in main (argc=4, argv=0x7ffde3ec2428) at /home/pip/git/emacs/src/emacs.c:1629
dummy = 140728427356880
stack_bottom_variable = -29 '\343'
do_initial_setlocale = <optimized out>
dumping = <optimized out>
skip_args = 0
rlim = {rlim_cur = 8720000, rlim_max = 18446744073709551615}
no_loadup = false
junk = 0x0
dname_arg = 0x0
ch_to_dir = 0x0
original_pwd = <optimized out>
(gdb) xbacktrace
xbacktrace
Undefined command: "xbacktrace". Try "help".
(gdb)
In GNU Emacs 25.0.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.16.6)
of 2015-08-06 on <hostname>
Repository revision: 0aec2aaccd8b745fa7214f3edd453c04a04bfba4
Windowing system distributor `The X.Org Foundation', version 11.0.11702000
System Description: Debian GNU/Linux unstable (sid)
Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GCONF GSETTINGS NOTIFY
LIBSELINUX GNUTLS LIBXML2 FREETYPE XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:
tooltip-mode: t
global-eldoc-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Load-path shadows:
None found.
Features:
(shadow sort gnus-util mail-extr emacsbug message dired format-spec
rfc822 mml mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums
mm-util help-fns help-mode easymenu cl-loaddefs pcase cl-lib mail-prsvr
mail-utils time-date mule-util tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel x-win term/common-win x-dnd
tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment
elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan
thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian
slovak czech european ethiopic indian cyrillic chinese charscript
case-table epa-hook jka-cmpr-hook help simple abbrev minibuffer
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote dbusbind gfilenotify
dynamic-setting system-font-setting font-render-setting move-toolbar gtk
x-toolkit x multi-tty make-network-process emacs)
Memory information:
((conses 16 80582 8278)
(symbols 48 19072 0)
(miscs 40 42 160)
(strings 32 13987 4706)
(string-bytes 1 387346)
(vectors 16 10577)
(vector-slots 8 409296 6548)
(floats 8 127 18)
(intervals 56 181 0)
(buffers 976 11)
(heap 1024 34640 869))
[-- Attachment #3: emacs-bug-001.el --]
[-- Type: text/x-emacs-lisp, Size: 199 bytes --]
(let ((o (make-overlay (point) (point))))
(overlay-put o 'after-string (concat (propertize "hi" 'invisible 'symbol)
(propertize "bye" 'invisible 'symbol2))))
^ permalink raw reply [flat|nested] 4+ messages in thread