[PATCH] libstdc++ tests with fileio

[Nathan Sidwell]

Benjamin,
> This is pretty interesting, as some decisions were made 10 years ago to 
> support this situation but have been untested until now. So, I take it 
> that stringstreams work?

Appear to :)

> Interesting: if you can, I'd like to see testresults for this target 
> posted on gcc-testresults.

as it happens, the target that needed this (coldfire) now does have fileio (via 
gdb).  However, we're bringing up another target (bare metal powerpc) that 
doesn't have fileio.  I'll post the results of that when we've got them into shape.

nathan

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