* error.c (dump_decl): operator==, not operator ==.
        (op_to_string): Likewise.

        * decl.c (compute_array_index_type): Handle null name.

        * decl2.c (ambiguous_decl): Fix to match comment.
        (lookup_using_namespace): Adjust.

        * decl2.c (import_export_class): Don't ignore dllimport.

From-SVN: r30935