[Patch] Fix istream::ignore + minor things

[Paolo Carlini]

Hi everyone, hi Nathan,

>Second, compiler core people seem very sensitive to whether a feature
>is actually used in the code they encounter (typically in bug reports)
>before they put any time into improving their implementation of that
>feature.
>
It looks like Honza cares! I'm going to meet him soon and I'll ask more 
details
(and report) but, anyway:

    http://gcc.gnu.org/ml/gcc-patches/2004-05/msg01731.html

Paolo.