Bootstrap broken on Cygwin

[Angelo Graziosi <angelo dot graziosi at alice dot it>]

I want to flag that the bootstrap of GFortran snapshot 4.4-20080620 [1] 
fails, on Cygwin, in this way:

[...]
/work/build/./gcc/xgcc -B/work/build/./gcc/ 
-B/usr/local/gfortran/i686-pc-cygwin/bin/ 
-B/usr/local/gfortran/i686-pc-cygwin/lib/ -isystem 
/usr/local/gfortran/i686-pc-cygwin/include -isystem 
/usr/local/gfortran/i686-pc-cygwin/sys-include -g -O2 -O2 -g -O2 
-DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes 
-Wmissing-prototypes -Wold-style-definition  -isystem ./include  -I. -I. 
-I/work/gcc/gcc -I/work/gcc/gcc/. -I/work/gcc/gcc/../include 
-I/work/gcc/gcc/../libcpp/include  -I/work/gcc/gcc/../libdecnumber 
-I/work/gcc/gcc/../libdecnumber/bid -I../libdecnumber  -g0 
-finhibit-size-directive -fno-inline-functions -fno-exceptions 
-fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize 
-I. -I. -I../.././gcc -I/work/gcc/libgcc -I/work/gcc/libgcc/. 
-I/work/gcc/libgcc/../gcc -I/work/gcc/libgcc/../include 
-I/work/gcc/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -o crtend.o 
-MT crtend.o -MD -MP -MF crtend.dep -fno-omit-frame-pointer -Wno-error -c \
	/work/gcc/libgcc/../gcc/config/i386/cygming-crtend.c
/work/gcc/libgcc/../gcc/config/i386/cygming-crtend.c:71: warning: 
constructor priorities from 0 to 100 are reserved for the implementation
/work/gcc/libgcc/../gcc/config/i386/cygming-crtend.c:79: warning: 
destructor priorities from 0 to 100 are reserved for the implementation
/work/gcc/libgcc/../gcc/config/i386/cygming-crtend.c: In function 
'deregister_frame_ctor':
/work/gcc/libgcc/../gcc/config/i386/cygming-crtend.c:83: internal 
compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [crtend.o] Error 1
make[3]: Leaving directory `/work/build/i686-pc-cygwin/libgcc'
make[2]: *** [all-stage1-target-libgcc] Error 2
make[2]: Leaving directory `/work/build'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/work/build'
make: *** [all] Error 2

It was configured as

${gcc_dir}/configure --prefix="${prefix_dir}" \
                         --exec-prefix="${eprefix_dir}" \
                         --sysconfdir="${sysconf_dir}" \
                         --libdir="${lib_dir}" \
                         --libexecdir="${libexec_dir}" \
                         --mandir="${man_dir}" \
                         --infodir="${info_dir}" \
                         --enable-languages=c,fortran \
                         --enable-bootstrap \
                         --enable-decimal-float=bid \
                         --enable-libgomp \
                         --enable-threads \
                         --enable-sjlj-exceptions \
                         --enable-version-specific-runtime-libs \
                         --enable-nls \
                         --enable-checking=release \
                         --disable-fixed-point \
                         --disable-libmudflap \
                         --disable-shared \
                         --disable-win32-registry \
                         --with-system-zlib \
                         --without-included-gettext \
                         --without-x


Cheers,
   Angelo.

---
[1] http://gcc.gnu.org/ml/gcc/2008-06/msg00491.html