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23.0.60; Crash in face_at_buffer_position


From: Lennart Borgman (gmail)
Subject: 23.0.60; Crash in face_at_buffer_position
Date: Mon, 14 Apr 2008 15:56:55 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.9) Gecko/20071031 Thunderbird/2.0.0.9 Mnenhy/0.7.5.666

I am not sure if this bug report is of any value. I believe it might have something to do with that I have made some bad changes to syntax-ppss. Anyway, I did not expect Emacs to crash. Here is what I get from the debugger:



Program received signal SIGSEGV, Segmentation fault.
0x011cdbe7 in face_at_buffer_position (w=0x261a200, pos=36, region_beg=-1,
    region_end=-1, endptr=0x3320c, limit=136, mouse=0) at xfaces.c:8154
8154        GET_OVERLAYS_AT (pos, overlay_vec, noverlays, &next_overlay, 0);
(gdb) bt
#0 0x011cdbe7 in face_at_buffer_position (w=0x261a200, pos=36, region_beg=-1,
    region_end=-1, endptr=0x3320c, limit=136, mouse=0) at xfaces.c:8154
#1  0x01034931 in handle_face_prop (it=0x82e940) at xdisp.c:3354
#2  0x010341c2 in handle_stop (it=0x82e940) at xdisp.c:3069
#3  0x0103b426 in next_element_from_buffer (it=0x82e940) at xdisp.c:6470
#4  0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#5  0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#6  0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#7  0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#8  0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#9  0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#10 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#11 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#12 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#13 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#14 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#15 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#16 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#17 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#18 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#19 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#20 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
#21 0x0103b43b in next_element_from_buffer (it=0x82e940) at xdisp.c:6471
---Type <return> to continue, or q <return> to quit---


The backtrace seems to be very, very long.



In GNU Emacs 23.0.60.1 (i386-mingw-nt5.1.2600)
 of 2008-04-14
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4) --no-opt --cflags -Ic:/g/include -fno-crossjumping'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  value of $XMODIFIERS: nil
  locale-coding-system: cp1252
  default-enable-multibyte-characters: t

Major mode: C/l

Minor modes in effect:
  pause-mode: t
  tabkey2-mode: t
  appmenu-mode: t
  rebind-keys-mode: t
  nxhtml-global-minor-mode: t
  which-function-mode: t
  show-paren-mode: t
  recentf-mode: t
  cua-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t




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