re PR c++/65046 (-Wabi-tag doesn't warn about variables or function return types)

re PR c++/65046 (-Wabi-tag doesn't warn about variables or function return types)

	PR c++/65046
	* config/locale/gnu/messages_members.cc (Catalog_info, Catalogs,
	get_catalogs): Add abi-tag.
	* include/ext/codecvt_specializations.h (encoding_state,
	encoding_char_traits): Likewise.
	* src/c++11/cxx11-ios_failure.cc (io_error_category): Likewise.
	* src/c++11/cxx11-shim_facets.cc (__any_string::operator basic_string,
	numpunct_shim, collate_shim, time_get_shim, moneypunct_shim,
	money_get_shim, money_put_shim, messages_shim): Likewise.
	* src/c++11/future.cc (future_error_category::message): Likewise.
	* src/c++11/system_error.cc (generic_error_category::message,
	system_error_category::message): Likewise.
	(__sso_string): Disable -Wabi-tag warnings.

From-SVN: r221497