c++/6331: g++ 3.1 looses const qualifiers

[Mark Mitchell]

> The original bug report that the testcase is derived from complained about
> the error; the customer said that either the extension should be dropped
> or the testcase should be accepted.  Neither of those came to pass.
>
> I wouldn't object to making the pedwarn unconditional.

I agree; let's just kill this extension -- it is totally undocumented,
and provides no real power since memcpy/loops do the same thing.

Do you have time to make that change, or do you want me to do it?

Thanks,

--
Mark Mitchell                   mark@codesourcery.com
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