libstdc++/3158: methods are wrongly implemented private inslice_array

[Mark Mitchell]

> Mark, is a patch to implement the right access control for valarray
> helper classes still acceptable for 3.0?

Probably depends on the patch.  The less it touches the better.  If
you can get it done ASAP and send it to me, I'll look at it.  No
promises, though.

Sorry,

--
Mark Mitchell                   mark@codesourcery.com
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