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PR c++/28025 * cp-tree.h (LOOKUP_HIDDEN): New macro. Reformat comments. * name-lookup.c (unqualified_namespace_lookup): There is no way to have a hidden name in non-namespace scopes. * pt.c (tsubst_friend_class): Look for hidden names. * decl.c (lookup_and_check_tag): Fix typo in comment. * semantics.c (finish_compound_literal): Fix typo in comment. PR c++/28025 * g++.dg/template/friend45.C: New test. From-SVN: r115687
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