GNU bug report logs - #14412
24.3.50; emacs_backtrace.txt

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Message #8 received at 14412 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 14412 <at> debbugs.gnu.org
Subject: Re: bug#14412: 24.3.50; emacs_backtrace.txt
Date: Fri, 17 May 2013 12:59:25 +0300

> From: "Drew Adams" <drew.adams <at> oracle.com>
> Date: Thu, 16 May 2013 14:21:05 -0700
> 
> Backtrace:
> 0x01159525
> 0x01159597
> 0x01001459
> 0x01021A5E
> 0x0101675C
> 0x010D82B4
> 0x010D938E
> 0x010D8F02
> 0x010116DA
> 0x010118DF
> 0x0101120C
> 0x01011326
> 0x01011365
> 0x01006765
> 0x010E4AC8
> 0x0101596C
> 0x01014E87
> 0x010E5146
> 0x01015511
> 0x01014E87
> 0x010E5146
> 0x0101596C
> 0x01014E87
> 0x010E5146
> 0x0101596C
> 0x01014E87
> 0x01013C70
> 0x010141D4
> 0x010E8FBA
> 0x01014B45
> 0x010E5146
> 0x01015511
> 0x01014E87
> 0x01014229
> 0x01024826
> 0x01010C39
> 0x01023814
> 0x01010696
> 0x010237CE
> 0x01022D88
> 0x010230B5
> 0x010029C4
> 0x010010F9
> 0x7C81776B

  w32_backtrace at C:\Devel\emacs\repo\build\src/w32fns.c:7740
  emacs_abort at C:\Devel\emacs\repo\build\src/w32fns.c:7772
  terminate_due_to_signal at C:\Devel\emacs\repo\build\src/emacs.c:343
  die at C:\Devel\emacs\repo\build\src/alloc.c:6522
  unbind_to at C:\Devel\emacs\repo\build\src/eval.c:3124
  Fprinc at C:\Devel\emacs\repo\build\src/print.c:658
  print_error_message at C:\Devel\emacs\repo\build\src/print.c:901
  Ferror_message_string at C:\Devel\emacs\repo\build\src/print.c:826
  skip_debugger at C:\Devel\emacs\repo\build\src/eval.c:1566
  maybe_call_debugger at C:\Devel\emacs\repo\build\src/eval.c:1607
  Fsignal at C:\Devel\emacs\repo\build\src/eval.c:1431
  xsignal at C:\Devel\emacs\repo\build\src/eval.c:1466
  xsignal1 at C:\Devel\emacs\repo\build\src/eval.c:1481
  Fsymbol_value at C:\Devel\emacs\repo\build\src/data.c:1061
  exec_byte_code at C:\Devel\emacs\repo\build\src/bytecode.c:717
  funcall_lambda at C:\Devel\emacs\repo\build\src/eval.c:2906
  Ffuncall at C:\Devel\emacs\repo\build\src/eval.c:2723
  exec_byte_code at C:\Devel\emacs\repo\build\src/bytecode.c:900
  funcall_lambda at C:\Devel\emacs\repo\build\src/eval.c:2840
  Ffuncall at C:\Devel\emacs\repo\build\src/eval.c:2723
  exec_byte_code at C:\Devel\emacs\repo\build\src/bytecode.c:900
  funcall_lambda at C:\Devel\emacs\repo\build\src/eval.c:2906
  Ffuncall at C:\Devel\emacs\repo\build\src/eval.c:2723
  exec_byte_code at C:\Devel\emacs\repo\build\src/bytecode.c:900
  funcall_lambda at C:\Devel\emacs\repo\build\src/eval.c:2906
  Ffuncall at C:\Devel\emacs\repo\build\src/eval.c:2723
  Fapply at C:\Devel\emacs\repo\build\src/eval.c:2208
  apply1 at C:\Devel\emacs\repo\build\src/eval.c:2442
  Fcall_interactively at C:\Devel\emacs\repo\build\src/callint.c:381
  Ffuncall at C:\Devel\emacs\repo\build\src/eval.c:2681
  exec_byte_code at C:\Devel\emacs\repo\build\src/bytecode.c:900
  funcall_lambda at C:\Devel\emacs\repo\build\src/eval.c:2840
  Ffuncall at C:\Devel\emacs\repo\build\src/eval.c:2723
  call1 at C:\Devel\emacs\repo\build\src/eval.c:2468
  command_loop_1 at C:\Devel\emacs\repo\build\src/keyboard.c:1578
  internal_condition_case at C:\Devel\emacs\repo\build\src/eval.c:1193
  command_loop_2 at C:\Devel\emacs\repo\build\src/keyboard.c:1167
  internal_catch at C:\Devel\emacs\repo\build\src/eval.c:964
  command_loop at C:\Devel\emacs\repo\build\src/keyboard.c:1146
  recursive_edit_1 at C:\Devel\emacs\repo\build\src/keyboard.c:779
  Frecursive_edit at C:\Devel\emacs\repo\build\src/keyboard.c:843
  main at C:\Devel\emacs\repo\build\src/emacs.c:1531
  ?? at crt1.c:0

It aborts here:

      /* If variable has a trivial value (no forwarding), we can
	 just set it.  No need to check for constant symbols here,
	 since that was already done by specbind.  */
 >>>  else if (XSYMBOL (this_binding.symbol)->redirect == SYMBOL_PLAINVAL)
	SET_SYMBOL_VAL (XSYMBOL (this_binding.symbol),
			this_binding.old_value);

Should we explicitly test for SYMBOLP before calling XSYMBOL?

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