Possibly uninitialized variable in include/bits/istream.tcc basic_istream::ignore

[Paolo Carlini]

Benjamin Kosnik wrote:

>FWIW, I think the correct fix would be
>
>int_type __c = __eof.
>  
>
Or whatever else: the warning is actually wrong, since entering
the loop _M_gcount == 0 && __n >= 0.

Paolo.