re PR c++/9447 (using Base<T>::member does not work)
cp:
PR c++/9447
* decl.c (add_binding): Add bval local variable.
(push_class_level_binding): Likewise. Allow a USING_DECL to be
pushed.
* decl2.c (do_class_using_decl): The type of a using decl is
unknown.
* parser.c (cp_parser_postfix_expression): Refactor unqualified-id
function call lookup code.
* pt.c (tsubst): A USING_DECL will have unknown type.
(tsubst_copy_and_build): Allow a using decl.
(type_dependent_expression_p): A USING_DECL will make it
dependent.
* semantics.c (finish_member_declaration): Push a dependent using
declaration.
testsuite:
PR c++/9447
* g++.dg/template/using1.C: New test.
* g++.dg/template/using2.C: New test.
* g++.dg/template/using3.C: New test.
* g++.dg/template/using4.C: New test.
From-SVN: r69921