libstdc++/3158: methods are wrongly implemented private in slice_array

[Gabriel Dos Reis]

bkoz@gcc.gnu.org writes:

| Synopsis: methods are wrongly implemented private in slice_array
| 
| Responsible-Changed-From-To: unassigned->gdr
| Responsible-Changed-By: bkoz
| Responsible-Changed-When: Wed Jun 13 09:52:59 2001
| Responsible-Changed-Why:
|     Valarray/slice stuff...


That is really a defect in the standard (see LWG open issue 253) and I
failed to implement the changes I was proposing.

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

-- Gaby