[patch] Implement move semantics for iostreams

[Rainer Orth]

Hi Jonathan,

>>almost there: now I only get
>>
>>ld: fatal: libstdc++-symbols.ver-sun: 4622: symbol 'std::basic_ostream<wchar_t, std::char_traits<wchar_t> >::basic_ostream(std::basic_iostream<wchar_t, std::char_traits<wchar_t> >&)': symbol version conflict
>>ld: fatal: libstdc++-symbols.ver-sun: 4623: symbol 'std::basic_ostream<wchar_t, std::char_traits<wchar_t> >::basic_ostream(std::basic_iostream<wchar_t, std::char_traits<wchar_t> >&)': symbol version conflict
>>
>>from
>>
>>  GLIBCXX_3.4:
>>
>>    ##_ZNSt13basic_ostreamIwSt11char_traitsIwEEC[12]E[RP]* (glob)
>>    _ZNSt13basic_ostreamIwSt11char_traitsIwEEC1ERSt14basic_iostreamIwS1_E;
>>    _ZNSt13basic_ostreamIwSt11char_traitsIwEEC2ERSt14basic_iostreamIwS1_E;
>>
>>  GLIBCXX_3.4.21:
>>
>>    ##_ZNSt13basic_ostreamIwSt11char_traitsIwEEC[12]ERSt14basic_iostreamIwS1_E (glob)
>>    _ZNSt13basic_ostreamIwSt11char_traitsIwEEC1ERSt14basic_iostreamIwS1_E;
>>    _ZNSt13basic_ostreamIwSt11char_traitsIwEEC2ERSt14basic_iostreamIwS1_E;
>
> Doh, yes, this additional tweak should solve that:
>
> index f736240..95fc3c7 100644
> --- a/libstdc++-v3/config/abi/pre/gnu.ver
> +++ b/libstdc++-v3/config/abi/pre/gnu.ver
> @@ -460,7 +460,7 @@ GLIBCXX_3.4 {
>
>     # std::basic_ostream<wchar_t>
>     _ZNSt13basic_ostreamIwSt11char_traitsIwEEC[12]Ev;
> -    _ZNSt13basic_ostreamIwSt11char_traitsIwEEC[12]E[RP]*;
> +    _ZNSt13basic_ostreamIwSt11char_traitsIwEEC[12]EP*;
>     _ZNSt13basic_ostreamIwSt11char_traitsIwEED*;
>     _ZNKSt13basic_ostreamIwSt11char_traitsIwEE[0-9][a-z]*;
>     _ZNSt13basic_ostreamIwSt11char_traitsIwEE3putEw;

it does: {i386-pc, sparc-sun}-solaris2.1[01] bootstraps completed
successfully with it.

Thanks for the quick fix.

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University