new libstdc++ ABI baseline files, differences in ia64-unknown-linux-gnu baseline

[Benjamin Kosnik]

Just for reference, on x86/linux and with the gcc-3_2-branch, this is
what 'make check-abi' should say:

%make check-abi
3 added symbols
        1
        symbol
        _ZStplIcSt11char_traitsIcESaIcEESbIT_T0_T1_ERKS6_S8_
        demangled symbol
        std::basic_string<char, std::char_traits<char>, std::allocator<char> >
std::operator+<char, std::char_traits<char>, std::allocator<char> >(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)

        2
        symbol
        _ZStplIwSt11char_traitsIwESaIwEESbIT_T0_T1_ERKS6_S8_
        demangled symbol
        std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > std::operator+<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> >(std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&, std::basic_string<wchar_t, std::char_traits<wchar_t>, std::allocator<wchar_t> > const&)

        3
        symbol
        GLIBCPP_3.2.1
        demangled symbol
        GLIBCPP_3.2.1

0 missing symbols
0 incompatible symbols