build break in libstdc++-v3 on OS/2

[Paul Smedley]

Hi All,

I'm trying to update my OS/2 port of GCC to v4.6.3
I have the compiler part building, but am currently getting a break in 
libstdc++-v3.

The error is as follows:
In file included from 
U:/DEV/gcc-4.6.3/i386-pc-os2-emx/libstdc++-v3/include/rege
x:39:0,
                 from ../../.././libstdc++-v3/src/regex.cc:30:
U:/DEV/gcc-4.6.3/i386-pc-os2-emx/libstdc++-v3/include/bitset: In member 
function
 'void std::bitset<_Nb>::_M_copy_from_ptr(const _CharT*, std::size_t, 
std::size_
t, std::size_t, _CharT, _CharT)':
U:/DEV/gcc-4.6.3/i386-pc-os2-emx/libstdc++-v3/include/bitset:1371:67: 
error: no
matching function for call to 'min(unsigned int&, const unsigned int&)'
U:/DEV/gcc-4.6.3/i386-pc-os2-emx/libstdc++-v3/include/bitset:1371:67: 
note: cand
idates are:
U:/DEV/gcc-4.6.3/i386-pc-os2-emx/libstdc++-v3/include/bits/stl_algobase.h:187:5:
 note: template<class _Tp> const _Tp& std::min(const _Tp&, const _Tp&)
U:/DEV/gcc-4.6.3/i386-pc-os2-emx/libstdc++-v3/include/bits/stl_algobase.h:233:5:
 note: template<class _Tp, class _Compare> const _Tp& std::min(const 
_Tp&, const
 _Tp&, _Compare)
U:/DEV/gcc-4.6.3/i386-pc-os2-emx/libstdc++-v3/include/bits/stl_algo.h:4184:5: 
no
te: template<class _Tp> _Tp std::min(std::initializer_list<_Tp>)
U:/DEV/gcc-4.6.3/i386-pc-os2-emx/libstdc++-v3/include/bits/stl_algo.h:4189:5: 
no
te: template<class _Tp, class _Compare> _Tp 
std::min(std::initializer_list<_Tp>,
 _Compare)

Any ideas?

Cheers,

Paul