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* semantics.c (finish_pseudo_destructor_expr): Allow differing cv-qualification between the type named by the pseudo-destructor-name and the object-type. * search.c (accessible_base_p): Handle non-proper bases. * name-lookup.c (do_nonmember_using_decl): If a using declaration refers to a single overloaded function, set the type of the function. * tree.c (lvalue_type): Simplify. * typeck.c (type_unknown_p): Do not assume all OVERLOADs have an unknown type. (build_unary_op): Handle OVERLOADs with known types. * decl.c (duplicate_decls): Do not destroy DECL_ARGUMENTS for function templates. * parser.c (cp_parser_postfix_expression): Handle the use of "typename" in non-dependent contexts. Convert appropriately when when using a qualified name after "->" or ".". * call.c (conditional_conversion): Honor the requirement that some conversions refer to the original object. * g++.dg/expr/dtor2.C: New test. * g++.dg/lookup/anon4.C: New test. * g++.dg/overload/using1.C: New test. * g++.dg/template/lookup7.C: New test. * g++.dg/template/typename6.C: New test. * g++.dg/expr/cond6.C: New test. From-SVN: r79671
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