* cp-tree.h: Don't declare anonymous_namespace_name.
        * decl.c: Don't define it.
        * dump.c (cp_dump_tree): Don't check for it.
        * cxx-pretty-print.c (pp_cxx_original_namespace_definition): Likewise.
        * error.c (dump_decl): Likewise.
        * name-lookup.c: Define it here.
        (push_namespace): Put it in DECL_ASSEMBLER_NAME instead.
        * mangle.c (write_unqualified_name): Adjust.

From-SVN: r74433