re PR libstdc++/3247 (valarray private member)

2004-03-10  Jerry Quinn  <jlquinn@optonline.net>

	PR 3247
	* include/bits/gslice_array.h (gslice_array()): Make public.
	(operator=(gslice_array)): Make public.  Implement.
	* include/bits/indirect_array.h (indirect_array()): Make public.
	* include/bits/mask_array.h (mask_array()): Make public.
	(operator=(mask_array)): Make public.  Implement.
	* include/bits/valarray_array.tcc (__valarray_copy):
	Comment.  Add versions for gslice_array and mask_array.
	* testsuite/26_numerics/valarray_subset_assignment.cc:  New test.

From-SVN: r79226