[Patch] Add performance/filebuf_copy.cc

[Paolo Carlini]

Hi,

this is Nathan's nice testcase of a couple of days ago adapted
to our performance framework.

If nobody disagree will add very soon!

Paolo.

////////
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: CL_copy
URL: <http://gcc.gnu.org/pipermail/libstdc++/attachments/20030626/f3170f1b/attachment.ksh>
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: patch_copy
URL: <http://gcc.gnu.org/pipermail/libstdc++/attachments/20030626/f3170f1b/attachment-0001.ksh>