bootstrap failure on cycgwin while building libsup++

[Billinghurst, David (CRTS)]

bootstrap failure with today's CVS on cycgwin while building libsup++.

Platform: i686-pc-cygwin
configure flags: --host=i686-pc-cygwin --enable-threads=posix
--disable-libgcj --with-included-gettext --enable-sjlj-exceptions
--disable-shared


Making all in libsupc++
make[4]: Entering directory
`/usr/local/obj/gcc/i686-pc-cygwin/libstdc++-v3/libsupc++'
/bin/sh ../libtool --tag CXX --tag disable-shared --mode=compile
/usr/local/obj/gcc/gcc/xgcc -B/usr/local/obj/gcc/gcc/ -nostdinc++
-L/usr/local/obj/gcc/i686-pc-cygwin/libstdc++-v3/src
-L/usr/local/obj/gcc/i686-pc-cygwin/libstdc++-v3/src/.libs
-B/usr/local/i686-pc-cygwin/bin/ -B/usr/local/i686-pc-cygwin/lib/ -isystem
/usr/local/i686-pc-cygwin/include -I/usr/local/src/gcc/libstdc++-v3/../gcc
-I/usr/local/src/gcc/libstdc++-v3/../include
-I/usr/local/obj/gcc/i686-pc-cygwin/libstdc++-v3/include/i686-pc-cygwin
-I/usr/local/obj/gcc/i686-pc-cygwin/libstdc++-v3/include
-I/usr/local/src/gcc/libstdc++-v3/libsupc++   -g -O2 -fno-implicit-templates
-Wall -Wno-format -W -Wwrite-strings -Winline
-fdiagnostics-show-location=once  -ffunction-sections -fdata-sections  -g
-c /usr/local/src/gcc/libstdc++-v3/libsupc++/eh_personality.cc
/usr/local/obj/gcc/gcc/xgcc -B/usr/local/obj/gcc/gcc/ -nostdinc++
-L/usr/local/obj/gcc/i686-pc-cygwin/libstdc++-v3/src
-L/usr/local/obj/gcc/i686-pc-cygwin/libstdc++-v3/src/.libs
-B/usr/local/i686-pc-cygwin/bin/ -B/usr/local/i686-pc-cygwin/lib/ -isystem
/usr/local/i686-pc-cygwin/include -I/usr/local/src/gcc/libstdc++-v3/../gcc
-I/usr/local/src/gcc/libstdc++-v3/../include
-I/usr/local/obj/gcc/i686-pc-cygwin/libstdc++-v3/include/i686-pc-cygwin
-I/usr/local/obj/gcc/i686-pc-cygwin/libstdc++-v3/include
-I/usr/local/src/gcc/libstdc++-v3/libsupc++ -g -O2 -fno-implicit-templates
-Wall -Wno-format -W -Wwrite-strings -Winline
-fdiagnostics-show-location=once -ffunction-sections -fdata-sections -g -c
/usr/local/src/gcc/libstdc++-v3/libsupc++/eh_personality.cc -o
eh_personality.o
/usr/local/src/gcc/libstdc++-v3/libsupc++/eh_personality.cc:0: warning:
-ffunction-sections
   may affect debugging on some targets.
/usr/local/src/gcc/libstdc++-v3/libsupc++/eh_personality.cc: In function
`void 
   __cxa_call_unexpected(_Unwind_Exception*)':
/usr/local/src/gcc/libstdc++-v3/libsupc++/eh_personality.cc:403: warning:
new 
   declaration `void __cxa_call_unexpected(_Unwind_Exception*)'
/usr/local/src/gcc/libstdc++-v3/libsupc++/eh_personality.cc:403: warning:
ambiguates
   built-in declaration `void __cxa_call_unexpected(void*)'
/usr/local/src/gcc/libstdc++-v3/libsupc++/eh_personality.cc: In function
`void 
   __cxa_call_unexpected(_Unwind_Exception*)':
/usr/local/src/gcc/libstdc++-v3/libsupc++/eh_personality.cc:443: Internal 
   error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL: http://www.gnu.org/software/gcc/bugs.html > for instructions.
make[4]: *** [eh_personality.lo] Error 1