bootstrap/10374: [3.4 regression] [cygwin] mainline broken for a loong time

[giovannibajo at libero dot it]

>Number:         10374
>Category:       bootstrap
>Synopsis:       [3.4 regression] [cygwin] mainline broken for a loong time
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Apr 11 02:26:01 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     Giovanni Bajo
>Release:        mainline
>Organization:
>Environment:
cygwin/x86
>Description:
Mainline has been broken on cygwin for months now. Last time I was able to compile it was probably before Dec 2002. 

/bin/sh ../libtool --tag CXX --mode=compile /home/Administrator/gcc/mainline/out
/gcc/xgcc -shared-libgcc -B/home/Administrator/gcc/mainline/out/gcc/ -nostdinc++
  -L/home/Administrator/gcc/mainline/out/i686-pc-cygwin/libstdc++-v3/src -L/home
/Administrator/gcc/mainline/out/i686-pc-cygwin/libstdc++-v3/src/.libs -B/usr/loc
al/i686-pc-cygwin/bin/ -B/usr/local/i686-pc-cygwin/lib/ -isystem /usr/local/i686
-pc-cygwin/include -isystem /usr/local/i686-pc-cygwin/sys-include -nostdinc++ -I
/home/Administrator/gcc/mainline/out/i686-pc-cygwin/libstdc++-v3/include/i686-pc
-cygwin -I/home/Administrator/gcc/mainline/out/i686-pc-cygwin/libstdc++-v3/inclu
de -I../../../../gcc/libstdc++-v3/libsupc++  -I../../../../gcc/libstdc++-v3/libm
ath   -O2 -g -O2 -g -O2 -fno-implicit-templates  -Wall -Wno-format -W -Wwrite-st
rings -Winline  -fdiagnostics-show-location=once      -fimplicit-templates -c ..
/../../../gcc/libstdc++-v3/src/demangle.cc
/home/Administrator/gcc/mainline/out/i686-pc-cygwin/libstdc++-v3/include/bits/de
mangle.h: In instantiation of `bool __gnu_cxx::demangler::session<Allocator>::de
code_template_args(std::basic_string<char, std::char_traits<char>, Allocator>&)
[with Allocator = std::allocator<char>]':
/home/Administrator/gcc/mainline/out/i686-pc-cygwin/libstdc++-v3/include/bits/de
mangle.h:1670:   instantiated from `bool __gnu_cxx::demangler::session<Allocator
> ::decode_type_with_postfix(std::basic_string<char, std::char_traits<char>, Allo
cator>&, std::basic_string<char, std::char_traits<char>, Allocator>&, __gnu_cxx:
:demangler::qualifier_list<Allocator>*) [with Allocator = std::allocator<char>]'

/home/Administrator/gcc/mainline/out/i686-pc-cygwin/libstdc++-v3/include/bits/de
mangle.h:315:   instantiated from `bool __gnu_cxx::demangler::session<Allocator>
::decode_type(std::basic_string<char, std::char_traits<char>, Allocator>&, __gnu
_cxx::demangler::qualifier_list<Allocator>*) [with Allocator = std::allocator<ch
ar>]'
../../../../gcc/libstdc++-v3/src/demangle.cc:162:   instantiated from here
/home/Administrator/gcc/mainline/out/i686-pc-cygwin/libstdc++-v3/include/bits/de
mangle.h:1186: internal compiler error: Segmentation
   fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

I reported this on the Cygwin mailing list and got no answer.
>How-To-Repeat:
checkout, configure, make bootstrap
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: