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Friend class name lookup 1/n, PR c++/18471 * decl.c (lookup_and_check_tag): New function. (xref_tag, start_enum): Use it. (check_elaborated_type_specifier): Move TEMPLATE_TYPE_PARM check before !DECL_IMPLICIT_TYPEDEF_P. Also display previously declared location. * name-lookup.c (lookup_name_current_level): Rename to ... (lookup_name_innermost_nonclass_level): ... this. (lookup_type_scope): New function. * name-lookup.h (lookup_name_current_level): Rename to ... (lookup_name_innermost_nonclass_level): ... this. (lookup_type_scope): Add declaration. * g++.dg/lookup/struct1.C: Adjust expected error. * g++.dg/parse/elab1.C: Likewise. * g++.dg/parse/elab2.C: Likewise. * g++.dg/parse/int-as-enum1.C: Likewise. * g++.dg/parse/struct-as-enum1.C: Likewise. * g++.dg/parse/typedef1.C: Likewise. * g++.dg/parse/typedef3.C: Likewise. * g++.dg/parse/typedef4.C: Likewise. * g++.dg/parse/typedef5.C: Likewise. * g++.dg/template/nontype4.C: Likewise. * g++.old-deja/g++.benjamin/typedef01.C: Likewise. * g++.old-deja/g++.other/elab1.C: Likewise. * g++.old-deja/g++.other/syntax4.C: Likewise. From-SVN: r90657
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