[4.1 PATCH]: backport libstdc++ testsuite fix for PRs 20448 & 20451

[Kaveh R. Ghazi]

From: "Benjamin Kosnik" <bkoz@redhat.com>

> Thanks for cleaning up the noise with this Kaveh.
> -benjamin

You're welcome!  Updated 4.1 libstdc++ results here:

http://gcc.gnu.org/ml/gcc-testresults/2008-04/msg00654.html

        --Kaveh
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Kaveh R. Ghazi