While compiling libstdc++ last snapshot with latest egcs from cvs I've 
got following ICE:

.....
Making all in src
make[2]: Entering directory `/usr/local/src/egcs/libstdc++/src'
/bin/sh ../libtool --mode=compile c++ -v -DHAVE_CONFIG_H -I. -I. -I..
-nostdinc++ -I.. -I../stl -I../libio    -fno-implicit-templates -g
-fvtable-thunks -D_GNU_SOURCE -fimplicit-templates -c locale-inst.cc
c++ -v -DHAVE_CONFIG_H -I. -I. -I.. -nostdinc++ -I.. -I../stl -I../libio
-fno-implicit-templates -g -fvtable-thunks -D_GNU_SOURCE
-fimplicit-templates -c -fPIC -DPIC locale-inst.cc -o locale-inst.lo
Reading specs from
/usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.93.09/specs
gcc version egcs-2.93.09 19990224 (gcc2 ss-980929 experimental)
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.93.09/cpp -lang-c++
-nostdinc++ -v -I. -I. -I.. -I.. -I../stl -I../libio -undef -D__GNUC__=2
-D__GNUG__=2 -D__cplusplus -D__GNUC_MINOR__=93 -D__ELF__ -Dunix
-D__i386__ -Dlinux -D__ELF__ -D__unix__ -D__i386__ -D__linux__ -D__unix
-D__linux -Asystem(posix) -D__EXCEPTIONS -g -Acpu(i386) -Amachine(i386)
-Di386 -D__i386 -D__i386__ -Di686 -Dpentiumpro -D__i686 -D__i686__
-D__pentiumpro -D__pentiumpro__ -D__PIC__ -D__pic__ -DHAVE_CONFIG_H
-D_GNU_SOURCE -DPIC locale-inst.cc /tmp/cck2baaa.ii
GNU CPP version egcs-2.93.09 19990224 (gcc2 ss-980929 experimental)
(i386 Linux/
ELF)
#include "..." search starts here:
#include <...> search starts here:
 .
 ..
 ../stl
 ../libio
 /usr/local/include

/usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.93.09/../../../../i686-pc-linux-gnu/include
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.93.09/include
 /usr/include
End of search list.
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/egcs-2.93.09/cc1plus
/tmp/cck2baaa.ii -quiet -dumpbase locale-inst.cc -g -version
-fno-implicit-templates -fvtable-thunks -fimplicit-templates -fPIC -o
/tmp/ccuUdaaa.s
GNU C++ version egcs-2.93.09 19990224 (gcc2 ss-980929 experimental)
(i686-pc-linux-gnu) compiled by GNU C version egcs-2.93.09 19990224
(gcc2 ss-980929 experimental).
../bits/locfacets.tcc: In method `void
_Format_cache<char>::_M_populate(class ios_base &)':
../bits/locfacets.tcc:336:   instantiated from
`_Format_cache<char>::_S_get(ios_
base &)'
../bits/locfacets.tcc:370:   instantiated from
`num_get<char,istreambuf_iterator<char,char_traits<char> >
>::do_get(istreambuf_iterator<char,char_traits<char> >, istreambuf_iterator<char,char_traits<char> >, ios_base &, _Iostate &, bool &) const'
../bits/locfacets.h:917:   instantiated from
`num_get<char,istreambuf_iterator<char,char_traits<char> >
>::get(istreambuf_iterator<char,char_traits<char> >, istreambuf_iterator<char,char_traits<char> >, ios_base &, _Iostate &, bool &) const'
locale-inst.cc:43:   instantiated from here
../bits/locfacets.tcc:287: Internal compiler error.
../bits/locfacets.tcc:287: Please submit a full bug report to
`egcs-bugs@egcs.cygnus.com'.
../bits/locfacets.tcc:287: See
<URL: http://egcs.cygnus.com/faq.html#bugreport > for details.
make[2]: *** [locale-inst.lo] Error 1
make[2]: Leaving directory `/usr/local/src/egcs/libstdc++/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/local/src/egcs/libstdc++'
make: *** [all-recursive-am] Error 2

> gcc --version
egcs-2.93.09
>

Nemat

P.S. preprocessed file attached
locale-inst.ii.gz