recent RELENG_5 error

[Bashar]

i've cvsup'ed a box today and while 'make buildworld' i got this error msg:
/usr/src/gnu/lib/libstdc++/../../../contrib/libstdc++/include/bits/basic_string.tcc: 
In constructor `std::basic_string<_CharT, _Traits, 
_Alloc>::basic_string(const std::basic_string<_CharT, _Traits, _Alloc>&, 
typename _Alloc::size_type, typename _Alloc::size_type) [with _CharT = 
wchar_t, _Traits = std::char_traits<wchar_t>, _Alloc = 
std::allocator<wchar_t>]':
/usr/src/gnu/lib/libstdc++/../../../contrib/libstdc++/include/bits/basic_string.tcc:200:   
instantiated from `std::basic_string<_CharT, _Traits, 
_Alloc>::basic_string(const std::basic_string<_CharT, _Traits, _Alloc>&, 
typename _Alloc::size_type, typename _Alloc::size_type) [with _CharT = 
wchar_t, _Traits = std::char_traits<wchar_t>, _Alloc = 
std::allocator<wchar_t>]'
/usr/src/gnu/lib/libstdc++/../../../contrib/libstdc++/src/string-inst.cc:49:   
instantiated from here
/usr/src/gnu/lib/libstdc++/../../../contrib/libstdc++/include/bits/basic_string.tcc:200: 
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.
*** Error code 1

Stop in /usr/src/gnu/lib/libstdc++.
*** Error code 1


is brand new box has 5.3-RELEASE installed:
FreeBSD ........... 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Fri Nov  5 
04:19:18 UTC 2004     
root at harlow.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC  i386