bug#16473: 24.3.50; emacs_backtrace.txt

[Eli Zaretskii <eliz@gnu.org>]

> From: Juanma Barranquero <lekktu@gmail.com>
> Date: Sun, 19 Jan 2014 23:20:04 +0100
> Cc: 16473@debbugs.gnu.org
> 
> w32_backtrace at w32fns.c:8386
> emacs_abort at w32fns.c:8418
> terminate_due_to_signal at emacs.c:378
> die at alloc.c:6761
> XVECTOR at lisp.h:827
> AREF at lisp.h:1314
> coding_inherit_eol_type at coding.c:6030
> Fchoose_write_coding_system at fileio.c:4637
> write_region at fileio.c:4807
> Fwrite_region at fileio.c:4681
> auto_save_1 at fileio.c:5469
> internal_condition_case at eval.c:1345
> Fdo_auto_save at fileio.c:5679
> shut_down_emacs at emacs.c:2017
> terminate_due_to_signal at emacs.c:362
> die at alloc.c:6761
> compact_small_strings at alloc.c:1960
> sweep_strings at alloc.c:1890
> gc_sweep at alloc.c:6333
> Fgarbage_collect at alloc.c:5572

An abort during GC here:

          nbytes = s ? STRING_BYTES (s) : SDATA_NBYTES (from);
          eassert (nbytes <= LARGE_STRING_BYTES);  <<<<<<<<<<<<<<<

followed by another abort during emergency shutdown.