bug#19181: 24.4; 24.4.1 libgcc_s_dw2-1.dll crash on exit

[Eli Zaretskii <eliz@gnu.org>]

> Date: Tue, 25 Nov 2014 23:42:39 +0000
> From: Bill Farmer <williamjfarmer@yahoo.co.uk>
> CC: 19181@debbugs.gnu.org
> 
> I have done a plain vanilla build of emacs 24.4 with my version of MinGW:
> 
> $ gcc -v
> Using built-in specs.
> COLLECT_GCC=c:\MinGW\bin\gcc.exe
> COLLECT_LTO_WRAPPER=c:/mingw/bin/../libexec/gcc/mingw32/4.8.1/lto-wrapper.exe
> Target: mingw32
> Configured with: ../gcc-4.8.1/configure --prefix=/mingw --host=mingw32 -
> -build=m
> ingw32 --without-pic --enable-shared --enable-static --with-gnu-ld --enable-lto
> --enable-libssp --disable-multilib -
> -enable-languages=c,c++,fortran,objc,obj-c++
> ,ada --disable-sjlj-exceptions --with-dwarf2 --disable-win32-registry -
> -enable-l
> ibstdcxx-debug --enable-version-specific-runtime-libs -
> -with-gmp=/usr/src/pkg/gm
> p-5.1.2-1-mingw32-src/bld --with-mpc=/usr/src/pkg/mpc-1.0.1-1-mingw32-src/bld -
> -
> with-mpfr= --with-system-zlib --with-gnu-as --enable-decimal-float=yes -
> -enable-
> libgomp --enable-threads --with-libiconv-prefix=/mingw32 -
> -with-libintl-prefix=/
> mingw --disable-bootstrap LDFLAGS=-s CFLAGS=-D_USE_32BIT_TIME_T
> Thread model: win32
> gcc version 4.8.1 (GCC)
> 
> Configured using:
> `configure --prefix=/d/c/emacs/build/usr'
> 
> I cannot reproduce the crash on exit problem with this version. It does not
> include the libXpm.dll file.

Please try to find the DLLs loaded into the Emacs binary that does
crash.  I don't see any other way of finding out what caused it.
Somewhere on your system there is a DLL that depends on
libgcc_s_dw2-1.dll, and finding it is the way to solve this riddle.

Thanks.