Improve portability of named locale tests

2015-11-13  John Marino  <gnugcc@marino.st>

	* testsuite/22_locale/codecvt/always_noconv/char/wrapped_env.cc:
	Use portable locale name
	* testsuite/22_locale/codecvt/always_noconv/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/codecvt/encoding/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/encoding/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/codecvt/encoding/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/codecvt/encoding/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/codecvt/in/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/in/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/codecvt/in/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/codecvt/in/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/in/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/codecvt/length/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/length/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/codecvt/length/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/codecvt/length/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/codecvt/length/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/length/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/codecvt/max_length/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/max_length/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/codecvt/max_length/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/codecvt/max_length/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/codecvt/out/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/out/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/codecvt/out/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/codecvt/out/wchar_t/7.cc: Likewise.
	* testsuite/22_locale/codecvt/out/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/out/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/codecvt/unshift/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/unshift/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/codecvt/unshift/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/codecvt/unshift/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/codecvt_byname/50714.cc: Likewise.
	* testsuite/22_locale/collate/compare/char/1.cc: Likewise.
	* testsuite/22_locale/collate/compare/char/2.cc: Likewise.
	* testsuite/22_locale/collate/compare/char/3.cc: Likewise.
	* testsuite/22_locale/collate/compare/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/collate/compare/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/collate/compare/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/collate/compare/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/collate/compare/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/collate/hash/char/2.cc: Likewise.
	* testsuite/22_locale/collate/hash/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/collate/hash/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/collate/hash/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/collate/transform/char/2.cc: Likewise.
	* testsuite/22_locale/collate/transform/char/3.cc: Likewise.
	* testsuite/22_locale/collate/transform/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/collate/transform/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/collate/transform/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/collate/transform/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/collate_byname/named_equivalence.cc: Likewise.
	* testsuite/22_locale/ctype/cons/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/cons/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/is/char/2.cc: Likewise.
	* testsuite/22_locale/ctype/is/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/is/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/is/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/ctype/is/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/is/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/narrow/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/narrow/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/narrow/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/narrow/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/scan/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/scan/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/scan/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/scan/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/to/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/to/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/to/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/to/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/widen/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/widen/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/ctype/widen/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/ctype/widen/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/ctype/widen/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/facet/2.cc: Likewise.
	* testsuite/22_locale/locale/cons/12352.cc: Likewise.
	* testsuite/22_locale/locale/cons/12658_thread-1.cc: Likewise.
	* testsuite/22_locale/locale/cons/12658_thread-2.cc: Likewise.
	* testsuite/22_locale/locale/cons/2.cc: Likewise.
	* testsuite/22_locale/locale/cons/38365.cc: Likewise.
	* testsuite/22_locale/locale/cons/38368.cc: Likewise.
	* testsuite/22_locale/locale/cons/4.cc: Likewise.
	* testsuite/22_locale/locale/cons/40184.cc: Likewise.
	* testsuite/22_locale/locale/cons/7.cc: Likewise.
	* testsuite/22_locale/locale/global_locale_objects/14071.cc: Likewise.
	* testsuite/22_locale/locale/global_locale_objects/2.cc: Likewise.
	* testsuite/22_locale/messages/13631.cc: Likewise.
	* testsuite/22_locale/messages/members/char/1.cc: Likewise.
	* testsuite/22_locale/messages/members/char/2.cc: Likewise.
	* testsuite/22_locale/messages/members/char/3.cc: Likewise.
	* testsuite/22_locale/messages/members/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/messages/members/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/messages_byname/named_equivalence.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/1.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/10.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/11.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/11528.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/12.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/13.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/15.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/16.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/17.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/18.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/2.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/3.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/4.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/money_get/get/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/10.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/11.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/11528.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/12.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/13.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/15.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/16.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/17.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/18.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/4.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/money_get/get/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/money_put/put/char/1.cc: Likewise.
	* testsuite/22_locale/money_put/put/char/2.cc: Likewise.
	* testsuite/22_locale/money_put/put/char/3.cc: Likewise.
	* testsuite/22_locale/money_put/put/char/9780-3.cc: Likewise.
	* testsuite/22_locale/money_put/put/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/money_put/put/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/money_put/put/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/money_put/put/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/money_put/put/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/money_put/put/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/money_put/put/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/moneypunct/40712.cc: Likewise.
	* testsuite/22_locale/moneypunct/members/char/2.cc: Likewise.
	* testsuite/22_locale/moneypunct/members/char/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/moneypunct/members/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/moneypunct/members/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/moneypunct/members/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/moneypunct/members/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/moneypunct_byname/named_equivalence.cc:
	Likewise.
	* testsuite/22_locale/num_get/get/char/1.cc: Likewise.
	* testsuite/22_locale/num_get/get/char/3.cc: Likewise.
	* testsuite/22_locale/num_get/get/char/5.cc: Likewise.
	* testsuite/22_locale/num_get/get/char/6.cc: Likewise.
	* testsuite/22_locale/num_get/get/char/9.cc: Likewise.
	* testsuite/22_locale/num_get/get/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/num_get/get/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/num_get/get/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/num_get/get/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/num_get/get/wchar_t/5.cc: Likewise.
	* testsuite/22_locale/num_get/get/wchar_t/6.cc: Likewise.
	* testsuite/22_locale/num_get/get/wchar_t/9.cc: Likewise.
	* testsuite/22_locale/num_get/get/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/num_get/get/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/num_put/put/char/1.cc: Likewise.
	* testsuite/22_locale/num_put/put/char/20909.cc: Likewise.
	* testsuite/22_locale/num_put/put/char/20914.cc: Likewise.
	* testsuite/22_locale/num_put/put/char/3.cc: Likewise.
	* testsuite/22_locale/num_put/put/char/5.cc: Likewise.
	* testsuite/22_locale/num_put/put/char/9780-2.cc: Likewise.
	* testsuite/22_locale/num_put/put/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/num_put/put/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/num_put/put/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/num_put/put/wchar_t/20909.cc: Likewise.
	* testsuite/22_locale/num_put/put/wchar_t/20914.cc: Likewise.
	* testsuite/22_locale/num_put/put/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/num_put/put/wchar_t/5.cc: Likewise.
	* testsuite/22_locale/num_put/put/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/num_put/put/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/numpunct/members/char/2.cc: Likewise.
	* testsuite/22_locale/numpunct/members/char/3.cc: Likewise.
	* testsuite/22_locale/numpunct/members/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/numpunct/members/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/numpunct/members/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/numpunct/members/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/numpunct/members/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/numpunct_byname/named_equivalence.cc: Likewise.
	* testsuite/22_locale/time_get/date_order/char/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/date_order/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/date_order/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/date_order/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get/char/2.cc: Likewise.
	* testsuite/22_locale/time_get/get/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/12750.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/26701.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/12750.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/26701.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_date/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_monthname/char/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_monthname/char/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_monthname/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_monthname/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_time/char/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/char/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/char/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_time/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/1.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_time/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/38081-1.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/38081-2.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_weekday/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_weekday/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_year/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/time_get/get_year/char/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_year/wchar_t/wrapped_env.cc:
	Likewise.
	* testsuite/22_locale/time_get/get_year/wchar_t/wrapped_locale.cc:
	Likewise.
	* testsuite/22_locale/time_put/put/char/17038.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/2.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/3.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/4.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/6.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/7.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/8.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/9780-1.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/wrapped_env.cc: Likewise.
	* testsuite/22_locale/time_put/put/char/wrapped_locale.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/17038.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/2.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/3.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/4.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/6.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/7.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/8.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/wrapped_env.cc: Likewise.
	* testsuite/22_locale/time_put/put/wchar_t/wrapped_locale.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/13007.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/13171-1.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/13171-4.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/14975-1.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/char/9322.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13007.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13171-3.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-3.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/2.cc: Likewise.
	* testsuite/27_io/basic_filebuf/imbue/wchar_t/9322.cc: Likewise.
	* testsuite/27_io/basic_filebuf/underflow/wchar_t/9520.cc: Likewise.
	* testsuite/27_io/basic_ios/copyfmt/char/2.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_arithmetic/char/2.cc:
	Likewise.
	* testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/2.cc:
	Likewise.
	* testsuite/27_io/basic_streambuf/cons/57394.cc: Likewise.
	* testsuite/27_io/basic_streambuf/imbue/char/13007-2.cc: Likewise.
	* testsuite/27_io/basic_streambuf/imbue/char/9322.cc: Likewise.
	* testsuite/27_io/basic_streambuf/imbue/wchar_t/13007-2.cc: Likewise.
	* testsuite/27_io/basic_streambuf/imbue/wchar_t/9322.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/imbue/char/9322.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/imbue/wchar_t/9322.cc: Likewise.
	* testsuite/27_io/manipulators/extended/get_money/char/1.cc: Likewise.
	* testsuite/27_io/manipulators/extended/get_money/wchar_t/1.cc:
	Likewise.
	* testsuite/27_io/manipulators/extended/get_time/char/2.cc: Likewise.
	* testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc:
	Likewise.
	* testsuite/27_io/manipulators/extended/put_money/char/1.cc: Likewise.
	* testsuite/27_io/manipulators/extended/put_money/wchar_t/1.cc:
	Likewise.
	* testsuite/27_io/manipulators/extended/put_time/char/2.cc: Likewise.
	* testsuite/27_io/manipulators/extended/put_time/wchar_t/2.cc:
	Likewise.
	* testsuite/27_io/objects/wchar_t/13582-1_xin.cc: Likewise.
	* testsuite/27_io/objects/wchar_t/9520.cc: Likewise.
	* testsuite/lib/libstdc++.exp (check_v3_target_namedlocale): Check
	for named locale as appropriate for target.
	* testsuite/util/testsuite_hooks.h (ISO_8859): Define macro to form
	target's preferred form of locale name.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230329 138bc75d-0d04-0410-961f-82ee72b054a4

298 files changed, 1246 insertions, 863 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index dd86ffb1eb4..4daa0c308a7 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,360 @@
+2015-11-13  John Marino  <gnugcc@marino.st>
+
+	* testsuite/22_locale/codecvt/always_noconv/char/wrapped_env.cc:
+	Use portable locale name
+	* testsuite/22_locale/codecvt/always_noconv/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/encoding/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/encoding/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/encoding/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/codecvt/encoding/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/in/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/in/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/codecvt/in/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/codecvt/in/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/in/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/codecvt/length/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/length/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/codecvt/length/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/codecvt/length/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/codecvt/length/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/length/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/max_length/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/max_length/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/max_length/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/codecvt/max_length/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt/out/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/out/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/codecvt/out/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/codecvt/out/wchar_t/7.cc: Likewise.
+	* testsuite/22_locale/codecvt/out/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/out/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/codecvt/unshift/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/unshift/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/codecvt/unshift/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/codecvt/unshift/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/codecvt_byname/50714.cc: Likewise.
+	* testsuite/22_locale/collate/compare/char/1.cc: Likewise.
+	* testsuite/22_locale/collate/compare/char/2.cc: Likewise.
+	* testsuite/22_locale/collate/compare/char/3.cc: Likewise.
+	* testsuite/22_locale/collate/compare/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/collate/compare/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/collate/compare/wchar_t/1.cc: Likewise.
+	* testsuite/22_locale/collate/compare/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/collate/compare/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/collate/hash/char/2.cc: Likewise.
+	* testsuite/22_locale/collate/hash/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/collate/hash/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/collate/hash/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/collate/transform/char/2.cc: Likewise.
+	* testsuite/22_locale/collate/transform/char/3.cc: Likewise.
+	* testsuite/22_locale/collate/transform/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/collate/transform/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/collate/transform/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/collate/transform/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/collate_byname/named_equivalence.cc: Likewise.
+	* testsuite/22_locale/ctype/cons/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/cons/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/is/char/2.cc: Likewise.
+	* testsuite/22_locale/ctype/is/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/is/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/is/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/ctype/is/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/is/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/narrow/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/narrow/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/narrow/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/narrow/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/scan/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/scan/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/scan/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/scan/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/to/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/to/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/to/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/to/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/widen/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/widen/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/ctype/widen/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/ctype/widen/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/ctype/widen/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/facet/2.cc: Likewise.
+	* testsuite/22_locale/locale/cons/12352.cc: Likewise.
+	* testsuite/22_locale/locale/cons/12658_thread-1.cc: Likewise.
+	* testsuite/22_locale/locale/cons/12658_thread-2.cc: Likewise.
+	* testsuite/22_locale/locale/cons/2.cc: Likewise.
+	* testsuite/22_locale/locale/cons/38365.cc: Likewise.
+	* testsuite/22_locale/locale/cons/38368.cc: Likewise.
+	* testsuite/22_locale/locale/cons/4.cc: Likewise.
+	* testsuite/22_locale/locale/cons/40184.cc: Likewise.
+	* testsuite/22_locale/locale/cons/7.cc: Likewise.
+	* testsuite/22_locale/locale/global_locale_objects/14071.cc: Likewise.
+	* testsuite/22_locale/locale/global_locale_objects/2.cc: Likewise.
+	* testsuite/22_locale/messages/13631.cc: Likewise.
+	* testsuite/22_locale/messages/members/char/1.cc: Likewise.
+	* testsuite/22_locale/messages/members/char/2.cc: Likewise.
+	* testsuite/22_locale/messages/members/char/3.cc: Likewise.
+	* testsuite/22_locale/messages/members/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/messages/members/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/messages_byname/named_equivalence.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/1.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/10.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/11.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/11528.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/12.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/13.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/15.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/16.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/17.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/18.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/2.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/3.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/4.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/money_get/get/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/1.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/10.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/11.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/11528.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/12.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/13.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/15.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/16.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/17.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/18.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/4.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/money_get/get/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/money_put/put/char/1.cc: Likewise.
+	* testsuite/22_locale/money_put/put/char/2.cc: Likewise.
+	* testsuite/22_locale/money_put/put/char/3.cc: Likewise.
+	* testsuite/22_locale/money_put/put/char/9780-3.cc: Likewise.
+	* testsuite/22_locale/money_put/put/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/money_put/put/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/money_put/put/wchar_t/1.cc: Likewise.
+	* testsuite/22_locale/money_put/put/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/money_put/put/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/money_put/put/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/money_put/put/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/moneypunct/40712.cc: Likewise.
+	* testsuite/22_locale/moneypunct/members/char/2.cc: Likewise.
+	* testsuite/22_locale/moneypunct/members/char/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/moneypunct/members/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/moneypunct/members/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/moneypunct/members/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/moneypunct/members/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/moneypunct_byname/named_equivalence.cc:
+	Likewise.
+	* testsuite/22_locale/num_get/get/char/1.cc: Likewise.
+	* testsuite/22_locale/num_get/get/char/3.cc: Likewise.
+	* testsuite/22_locale/num_get/get/char/5.cc: Likewise.
+	* testsuite/22_locale/num_get/get/char/6.cc: Likewise.
+	* testsuite/22_locale/num_get/get/char/9.cc: Likewise.
+	* testsuite/22_locale/num_get/get/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/num_get/get/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/num_get/get/wchar_t/1.cc: Likewise.
+	* testsuite/22_locale/num_get/get/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/num_get/get/wchar_t/5.cc: Likewise.
+	* testsuite/22_locale/num_get/get/wchar_t/6.cc: Likewise.
+	* testsuite/22_locale/num_get/get/wchar_t/9.cc: Likewise.
+	* testsuite/22_locale/num_get/get/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/num_get/get/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/num_put/put/char/1.cc: Likewise.
+	* testsuite/22_locale/num_put/put/char/20909.cc: Likewise.
+	* testsuite/22_locale/num_put/put/char/20914.cc: Likewise.
+	* testsuite/22_locale/num_put/put/char/3.cc: Likewise.
+	* testsuite/22_locale/num_put/put/char/5.cc: Likewise.
+	* testsuite/22_locale/num_put/put/char/9780-2.cc: Likewise.
+	* testsuite/22_locale/num_put/put/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/num_put/put/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/num_put/put/wchar_t/1.cc: Likewise.
+	* testsuite/22_locale/num_put/put/wchar_t/20909.cc: Likewise.
+	* testsuite/22_locale/num_put/put/wchar_t/20914.cc: Likewise.
+	* testsuite/22_locale/num_put/put/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/num_put/put/wchar_t/5.cc: Likewise.
+	* testsuite/22_locale/num_put/put/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/num_put/put/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/numpunct/members/char/2.cc: Likewise.
+	* testsuite/22_locale/numpunct/members/char/3.cc: Likewise.
+	* testsuite/22_locale/numpunct/members/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/numpunct/members/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/numpunct/members/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/numpunct/members/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/numpunct/members/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/numpunct_byname/named_equivalence.cc: Likewise.
+	* testsuite/22_locale/time_get/date_order/char/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/date_order/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/date_order/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/date_order/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get/char/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_date/char/12750.cc: Likewise.
+	* testsuite/22_locale/time_get/get_date/char/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_date/char/26701.cc: Likewise.
+	* testsuite/22_locale/time_get/get_date/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/time_get/get_date/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_date/wchar_t/12750.cc: Likewise.
+	* testsuite/22_locale/time_get/get_date/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_date/wchar_t/26701.cc: Likewise.
+	* testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Likewise.
+	* testsuite/22_locale/time_get/get_date/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_date/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_monthname/char/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_monthname/char/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_monthname/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_monthname/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_time/char/1.cc: Likewise.
+	* testsuite/22_locale/time_get/get_time/char/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_time/char/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_time/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_time/wchar_t/1.cc: Likewise.
+	* testsuite/22_locale/time_get/get_time/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_time/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_time/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_weekday/char/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_weekday/char/38081-1.cc: Likewise.
+	* testsuite/22_locale/time_get/get_weekday/char/38081-2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_weekday/char/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_weekday/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_weekday/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_year/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/time_get/get_year/char/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_year/wchar_t/wrapped_env.cc:
+	Likewise.
+	* testsuite/22_locale/time_get/get_year/wchar_t/wrapped_locale.cc:
+	Likewise.
+	* testsuite/22_locale/time_put/put/char/17038.cc: Likewise.
+	* testsuite/22_locale/time_put/put/char/2.cc: Likewise.
+	* testsuite/22_locale/time_put/put/char/3.cc: Likewise.
+	* testsuite/22_locale/time_put/put/char/4.cc: Likewise.
+	* testsuite/22_locale/time_put/put/char/6.cc: Likewise.
+	* testsuite/22_locale/time_put/put/char/7.cc: Likewise.
+	* testsuite/22_locale/time_put/put/char/8.cc: Likewise.
+	* testsuite/22_locale/time_put/put/char/9780-1.cc: Likewise.
+	* testsuite/22_locale/time_put/put/char/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/time_put/put/char/wrapped_locale.cc: Likewise.
+	* testsuite/22_locale/time_put/put/wchar_t/17038.cc: Likewise.
+	* testsuite/22_locale/time_put/put/wchar_t/2.cc: Likewise.
+	* testsuite/22_locale/time_put/put/wchar_t/3.cc: Likewise.
+	* testsuite/22_locale/time_put/put/wchar_t/4.cc: Likewise.
+	* testsuite/22_locale/time_put/put/wchar_t/6.cc: Likewise.
+	* testsuite/22_locale/time_put/put/wchar_t/7.cc: Likewise.
+	* testsuite/22_locale/time_put/put/wchar_t/8.cc: Likewise.
+	* testsuite/22_locale/time_put/put/wchar_t/wrapped_env.cc: Likewise.
+	* testsuite/22_locale/time_put/put/wchar_t/wrapped_locale.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/char/13007.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/char/13171-1.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/char/13171-4.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/char/14975-1.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/char/2.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/char/9322.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13007.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13171-3.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-3.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/wchar_t/2.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/imbue/wchar_t/9322.cc: Likewise.
+	* testsuite/27_io/basic_filebuf/underflow/wchar_t/9520.cc: Likewise.
+	* testsuite/27_io/basic_ios/copyfmt/char/2.cc: Likewise.
+	* testsuite/27_io/basic_ostream/inserters_arithmetic/char/2.cc:
+	Likewise.
+	* testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/2.cc:
+	Likewise.
+	* testsuite/27_io/basic_streambuf/cons/57394.cc: Likewise.
+	* testsuite/27_io/basic_streambuf/imbue/char/13007-2.cc: Likewise.
+	* testsuite/27_io/basic_streambuf/imbue/char/9322.cc: Likewise.
+	* testsuite/27_io/basic_streambuf/imbue/wchar_t/13007-2.cc: Likewise.
+	* testsuite/27_io/basic_streambuf/imbue/wchar_t/9322.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/imbue/char/9322.cc: Likewise.
+	* testsuite/27_io/basic_stringbuf/imbue/wchar_t/9322.cc: Likewise.
+	* testsuite/27_io/manipulators/extended/get_money/char/1.cc: Likewise.
+	* testsuite/27_io/manipulators/extended/get_money/wchar_t/1.cc:
+	Likewise.
+	* testsuite/27_io/manipulators/extended/get_time/char/2.cc: Likewise.
+	* testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc:
+	Likewise.
+	* testsuite/27_io/manipulators/extended/put_money/char/1.cc: Likewise.
+	* testsuite/27_io/manipulators/extended/put_money/wchar_t/1.cc:
+	Likewise.
+	* testsuite/27_io/manipulators/extended/put_time/char/2.cc: Likewise.
+	* testsuite/27_io/manipulators/extended/put_time/wchar_t/2.cc:
+	Likewise.
+	* testsuite/27_io/objects/wchar_t/13582-1_xin.cc: Likewise.
+	* testsuite/27_io/objects/wchar_t/9520.cc: Likewise.
+	* testsuite/lib/libstdc++.exp (check_v3_target_namedlocale): Check
+	for named locale as appropriate for target.
+	* testsuite/util/testsuite_hooks.h (ISO_8859): Define macro to form
+	target's preferred form of locale name.
+
 2015-11-13  Jennifer Yao  <jenny.hyphen.fa@gmail.com>
 	    Jonathan Wakely  <jwakely@redhat.com>
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc
index 37ac8870a9e..7fbcd85f5fb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -27,14 +27,14 @@
 // Required instantiation
 // codecvt<wchar_t, char, mbstate_t>
 //
-// Baseline test in ISO-8859-1 locale
+// Baseline test in ISO8859-1 locale
 void test02()
 {
   using namespace std;
   bool test __attribute__((unused)) = true;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
 
-  locale loc = locale("en_US.ISO-8859-1");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc
index 9f50fc45bfd..6d737843a14 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -27,14 +27,14 @@
 // Required instantiation
 // codecvt<wchar_t, char, mbstate_t>
 //
-// Baseline test in ISO-8859-15 locale
+// Baseline test in ISO8859-1 locale
 void test03()
 {
   using namespace std;
   bool test __attribute__((unused)) = true;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
 
-  locale loc = locale("en_US.ISO-8859-15");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/always_noconv/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/2.cc
index 96b15677a25..5e21cbb09f7 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -27,19 +27,19 @@
 // Required instantiation
 // codecvt<wchar_t, char, mbstate_t>
 //
-// Test do_encoding with ISO-8859-1 locale.
+// Test do_encoding with ISO8859-1 locale.
 void test02()
 {
   using namespace std;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
   bool test __attribute__((unused)) = true;
 
-  locale loc = locale("en_US.ISO-8859-1");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
   int i = cvt->encoding();
-  VERIFY( i == 1 ); // ISO-8859-1 is a single-byte encoding
+  VERIFY( i == 1 ); // ISO8859-1 is a single-byte encoding
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/3.cc
index b5d1d40c6fe..a2070f60e40 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -27,19 +27,19 @@
 // Required instantiation
 // codecvt<wchar_t, char, mbstate_t>
 //
-// Test do_encoding with ISO-8859-15 locale.
+// Test do_encoding with ISO8859-1 locale.
 void test03()
 {
   using namespace std;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
   bool test __attribute__((unused)) = true;
 
-  locale loc = locale("en_US.ISO-8859-15");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
   int i = cvt->encoding();
-  VERIFY( i == 1 ); // ISO-8859-15 is a single-byte encoding
+  VERIFY( i == 1 ); // ISO8859-1 is a single-byte encoding
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/in/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/in/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/2.cc
index a0445adb2af..21d1aed7f08 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -41,7 +41,7 @@ zero_state(std::mbstate_t& state)
 // Required instantiation
 // codecvt<wchar_t, char, mbstate_t>
 //
-// Baseline test for ISO-8859-1. Converts entire charset.
+// Baseline test for ISO8859-1. Converts entire charset.
 void test02()
 {
   using namespace std;
@@ -90,7 +90,7 @@ void test02()
   wmemset(i_ref, 0xdeadbeef, size + 1);
   int_type*		ito_next;
 
-  locale loc = locale("en_US.ISO-8859-1");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/in/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/length/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/length/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/2.cc
index 5c4fbb0a684..d108a431b27 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -63,7 +63,7 @@ void test02()
     "\xff";
   int 			size = strlen(e_lit);
 
-  locale  loc = locale("en_US.ISO-8859-1");
+  locale  loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/3.cc
index ed9aec33859..e39a6fa33b9 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -63,7 +63,7 @@ void test03()
     "\xff";
   int 			size = strlen(e_lit);
 
-  locale loc = locale("en_US.ISO-8859-15");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/length/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/2.cc
index d0d3831a1ff..7b0c286be5d 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -32,12 +32,12 @@ void test02()
   bool test __attribute__((unused)) = true;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
 
-  locale  loc = locale("en_US.ISO-8859-1");
+  locale  loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
   int k = cvt->max_length();
-  VERIFY( k == 1 ); // ISO-8859-1 is a single-byte encoding
+  VERIFY( k == 1 ); // ISO8859-1 is a single-byte encoding
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc
index 269a15d8056..3111fc6ad8a 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -32,12 +32,12 @@ void test03()
   bool test __attribute__((unused)) = true;
   typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
 
-  locale loc = locale("en_US.ISO-8859-15");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
   int k = cvt->max_length();
-  VERIFY( k == 1 ); // ISO-8859-15 is a single-byte encoding
+  VERIFY( k == 1 ); // ISO8859-1 is a single-byte encoding
 }
 
 int main ()
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/out/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/out/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/2.cc
index 9939eb4481b..f3628b4e31c 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -88,7 +88,7 @@ void test02()
   memset(e_ref, 0xf0, size + 1);
   ext_type*		eto_next;
 
-  locale  loc = locale("en_US.ISO-8859-1");
+  locale  loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/7.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/7.cc
index 7027815cda6..8fad77fc2ad 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/7.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/7.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -60,7 +60,7 @@ void test03()
   memset(e_ref, 0xf0, size + 1);
   ext_type*		eto_next;
 
-  locale loc = locale("en_US.ISO-8859-1");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/out/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/2.cc
index c39e4a59ac9..7c63cb3298e 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -73,7 +73,7 @@ void test02()
   memset(e_ref, 0xf0, size + 1);
   ext_type*		eto_next;
 
-  locale loc = locale("en_US.ISO-8859-1");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/3.cc
index 5e1a47f22f7..b048854d676 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
 
@@ -87,7 +87,7 @@ void test03()
   memset(e_ref, 0xf0, size + 1);
   ext_type*		eto_next;
 
-  locale loc = locale("en_US.ISO-8859-15");
+  locale loc = locale(ISO_8859(1,en_US));
   locale::global(loc);
   const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/unshift/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/codecvt_byname/50714.cc b/libstdc++-v3/testsuite/22_locale/codecvt_byname/50714.cc
index a728d12050f..1c457968729 100644
--- a/libstdc++-v3/testsuite/22_locale/codecvt_byname/50714.cc
+++ b/libstdc++-v3/testsuite/22_locale/codecvt_byname/50714.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // Copyright (C) 2011-2015 Free Software Foundation, Inc.
 //
@@ -19,6 +19,7 @@
 
 #include <locale>
 #include <ext/pod_char_traits.h>
+#include <testsuite_hooks.h>
 
 #define mychar __gnu_cxx::character<unsigned short, int>
 
@@ -84,7 +85,7 @@ void test01()
   }
   {
     locale loc2(locale::classic(),
-		new codecvt_byname<mychar, char, mbstate_t>("de_DE"));
+		new codecvt_byname<mychar, char, mbstate_t>(ISO_8859(15,de_DE)));
   }
 }
 
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/char/1.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/char/1.cc
index e13c65e78f6..4f55a555d63 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/char/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/char/1.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -36,9 +36,9 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_fr = locale("fr_FR");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_fr );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/char/2.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/char/2.cc
index 31e71d5f050..e48ff8a7574 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/char/2.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -26,7 +26,7 @@
 #include <locale>
 #include <testsuite_hooks.h>
 
-// Check German "de_DE" locale.
+// Check German "de_DE.ISO8859-15" locale.
 void test02()
 {
   using namespace std;
@@ -36,9 +36,9 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_fr = locale("fr_FR");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_fr );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/char/3.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/char/3.cc
index 066e0c98370..d18f66bcd4b 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/char/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/char/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-02-24 Petur Runolfsson <peturr02@ru.is>
 
@@ -34,7 +34,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // cache the collate facets
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/char/wrapped_env.cc
index 39c151f60c0..85d2910d8a8 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/char/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -39,6 +39,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/char/wrapped_locale.cc
index de4414bdd2c..c4f10d0f293 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/char/wrapped_locale.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,6 +40,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/1.cc
index af0b4e35dce..0541f0a160a 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/1.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -36,9 +36,9 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_fr = locale("fr_FR");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_fr );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/2.cc
index ccf5efac1c4..cef4f2b82e9 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/2.cc
@@ -2,9 +2,9 @@
 // { dg-xfail-if "" { "*-*-hpux11.23" } { "*" } { "" } } */
 // { dg-options "-finput-charset=ISO8859-1" }
 // { dg-require-iconv "ISO8859-1" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -30,7 +30,7 @@
 #include <locale>
 #include <testsuite_hooks.h>
 
-// Check German "de_DE" locale.
+// Check German "de_DE.ISO8859-15" locale.
 void test02()
 {
   using namespace std;
@@ -40,9 +40,9 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_fr = locale("fr_FR");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_fr );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/3.cc
index 833abde0c75..7036dfc1c3b 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-02-24 Petur Runolfsson <peturr02@ru.is>
 
@@ -34,7 +34,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // cache the collate facets
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc
index 59b16c728c5..3db0d6d29d1 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/wrapped_env.cc
@@ -2,9 +2,9 @@
 // { dg-xfail-if "" { "*-*-hpux11.23" } { "*" } { "" } } */
 // { dg-options "-finput-charset=ISO8859-1" }
 // { dg-require-iconv "ISO8859-1" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc
index 4444d0d4452..be590af6a0c 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/compare/wchar_t/wrapped_locale.cc
@@ -2,10 +2,10 @@
 // { dg-xfail-if "" { "*-*-hpux11.23" } { "*" } { "" } } */
 // { dg-options "-finput-charset=ISO8859-1" }
 // { dg-require-iconv "ISO8859-1" }
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/hash/char/2.cc b/libstdc++-v3/testsuite/22_locale/collate/hash/char/2.cc
index b4fabd4de14..91b25044bc4 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/hash/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/hash/char/2.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -26,7 +26,7 @@
 #include <locale>
 #include <testsuite_hooks.h>
 
-// Check German "de_DE" locale.
+// Check German "de_DE.ISO8859-15" locale.
 void test02()
 {
   using namespace std;
@@ -36,9 +36,9 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_fr = locale("fr_FR");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_fr );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/collate/hash/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/collate/hash/char/wrapped_env.cc
index 3f1eb81802f..7583358394c 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/hash/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/hash/char/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -39,6 +39,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/hash/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/collate/hash/char/wrapped_locale.cc
index b62f4c7561c..75ab62005f0 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/hash/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/hash/char/wrapped_locale.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,6 +40,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/2.cc
index 90627c1603e..5d646a5edc7 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/2.cc
@@ -2,9 +2,9 @@
 // { dg-xfail-if "" { "*-*-hpux11.23" } { "*" } { "" } } */
 // { dg-options "-finput-charset=ISO8859-1" }
 // { dg-require-iconv "ISO8859-1" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -30,7 +30,7 @@
 #include <locale>
 #include <testsuite_hooks.h>
 
-// Check German "de_DE" locale.
+// Check German "de_DE.ISO8859-15" locale.
 void test02()
 {
   using namespace std;
@@ -39,9 +39,9 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_fr = locale("fr_FR");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_fr );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc
index 59b16c728c5..3db0d6d29d1 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/wrapped_env.cc
@@ -2,9 +2,9 @@
 // { dg-xfail-if "" { "*-*-hpux11.23" } { "*" } { "" } } */
 // { dg-options "-finput-charset=ISO8859-1" }
 // { dg-require-iconv "ISO8859-1" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc
index 4444d0d4452..be590af6a0c 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/hash/wchar_t/wrapped_locale.cc
@@ -2,10 +2,10 @@
 // { dg-xfail-if "" { "*-*-hpux11.23" } { "*" } { "" } } */
 // { dg-options "-finput-charset=ISO8859-1" }
 // { dg-require-iconv "ISO8859-1" }
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/transform/char/2.cc b/libstdc++-v3/testsuite/22_locale/collate/transform/char/2.cc
index 1f300c49c29..883200e545c 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/transform/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/transform/char/2.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,9 +35,9 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_fr = locale("fr_FR");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_fr );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/collate/transform/char/3.cc b/libstdc++-v3/testsuite/22_locale/collate/transform/char/3.cc
index a83ce0647b5..8c7fe852293 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/transform/char/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/transform/char/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-02-24 Petur Runolfsson <peturr02@ru.is>
 
@@ -33,7 +33,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // cache the collate facets
diff --git a/libstdc++-v3/testsuite/22_locale/collate/transform/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/collate/transform/char/wrapped_env.cc
index 379d2c8474d..27b1bacb3ab 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/transform/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/transform/char/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,6 +34,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/transform/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/collate/transform/char/wrapped_locale.cc
index 93b7c6818b1..6bc03bdcd63 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/transform/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/transform/char/wrapped_locale.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,6 +35,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/2.cc
index ca65039872d..e5d6c4e2c4c 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/2.cc
@@ -2,9 +2,9 @@
 // { dg-xfail-if "" { "*-*-hpux11.23" } { "*" } { "" } } */
 // { dg-options "-finput-charset=ISO8859-1" }
 // { dg-require-iconv "ISO8859-1" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -39,9 +39,9 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_fr = locale("fr_FR");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_fr );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/3.cc
index c360190b293..dd274aac447 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-02-24 Petur Runolfsson <peturr02@ru.is>
 
@@ -33,7 +33,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // cache the collate facets
diff --git a/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc
index 23742832765..40c86d07465 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/wrapped_env.cc
@@ -2,9 +2,9 @@
 // { dg-xfail-if "" { "*-*-hpux11.23" } { "*" } { "" } } */
 // { dg-options "-finput-charset=ISO8859-1" }
 // { dg-require-iconv "ISO8859-1" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -38,6 +38,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc
index 4fe0e684300..e2cabbb251d 100644
--- a/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate/transform/wchar_t/wrapped_locale.cc
@@ -2,10 +2,10 @@
 // { dg-xfail-if "" { "*-*-hpux11.23" } { "*" } { "" } } */
 // { dg-options "-finput-charset=ISO8859-1" }
 // { dg-require-iconv "ISO8859-1" }
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -39,6 +39,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/collate_byname/named_equivalence.cc b/libstdc++-v3/testsuite/22_locale/collate_byname/named_equivalence.cc
index 559cbea15c7..707902fd9a5 100644
--- a/libstdc++-v3/testsuite/22_locale/collate_byname/named_equivalence.cc
+++ b/libstdc++-v3/testsuite/22_locale/collate_byname/named_equivalence.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,10 +34,10 @@ void test01()
   string str;
   locale loc_c = locale::classic();
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   str = loc_de.name();
 
-  locale loc_byname(locale::classic(), new collate_byname<char>("de_DE"));
+  locale loc_byname(locale::classic(), new collate_byname<char>(ISO_8859(15,de_DE)));
   str = loc_byname.name();
 
   VERIFY( loc_de != loc_byname );
@@ -45,7 +45,7 @@ void test01()
   // cache the collate facets
   const collate<char>& coll_de = use_facet<collate<char> >(loc_de); 
 
-  // Check German "de_DE" locale.
+  // Check German "de_DE.ISO8859-15" locale.
   int i1;
   int i2;
   long l1;
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/cons/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/cons/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/cons/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/cons/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/cons/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/cons/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/cons/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/cons/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/is/char/2.cc b/libstdc++-v3/testsuite/22_locale/ctype/is/char/2.cc
index 7809399c904..d35e4328f5a 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/is/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/is/char/2.cc
@@ -1,5 +1,5 @@
 // { dg-do run { xfail { ! { *-*-linux* *-*-gnu* } } } }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // Copyright (C) 2000-2015 Free Software Foundation, Inc.
 //
@@ -59,8 +59,8 @@ void test02()
       v_c[i] = mask_is;
     }   
 
-  // "de_DE"
-  locale loc_de = locale("de_DE");
+  // "de_DE.ISO8859-15"
+  locale loc_de = locale(ISO_8859(15,de_DE));
   const ctype<char>& ctype_de = use_facet<ctype<char> >(loc_de); 
   for (int i = 0; i < max; ++i)
     {
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/is/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/is/char/wrapped_env.cc
index 6315acfbb68..53e42ed3af0 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/is/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/is/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -42,6 +42,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/is/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/is/char/wrapped_locale.cc
index 2b6df40f61c..d8e54104066 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/is/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/is/char/wrapped_locale.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/2.cc
index 9978fb98217..8c3aeed9c26 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/2.cc
@@ -1,5 +1,5 @@
 // { dg-do run { xfail { ! { *-*-linux* *-*-gnu* } } } }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // Copyright (C) 2000-2015 Free Software Foundation, Inc.
 //
@@ -59,8 +59,8 @@ void test02()
       v_c[i] = mask_is;
     }   
 
-  // "de_DE"
-  locale loc_de = locale("de_DE");
+  // "de_DE.ISO8859-15"
+  locale loc_de = locale(ISO_8859(15,de_DE));
   const ctype<wchar_t>& ctype_de = use_facet<ctype<wchar_t> >(loc_de); 
   for (int i = 0; i < max; ++i)
     {
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/wrapped_env.cc
index d4f22931887..608bb21baeb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/wrapped_locale.cc
index 7e8facf9c15..40254ab1f7b 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/is/wchar_t/wrapped_locale.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -38,6 +38,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/narrow/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/narrow/char/wrapped_env.cc
index d4f22931887..608bb21baeb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/narrow/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/narrow/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/narrow/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/narrow/char/wrapped_locale.cc
index 17e070c1c89..d27d9f84e0e 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/narrow/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/narrow/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/narrow/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/narrow/wchar_t/wrapped_env.cc
index d4f22931887..608bb21baeb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/narrow/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/narrow/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/narrow/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/narrow/wchar_t/wrapped_locale.cc
index 17e070c1c89..d27d9f84e0e 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/narrow/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/narrow/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/scan/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/scan/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/scan/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/scan/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/scan/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/scan/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/scan/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/scan/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/scan/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/scan/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/scan/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/scan/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/scan/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/scan/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/scan/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/scan/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/to/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/to/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/to/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/to/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/to/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/to/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/to/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/to/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/to/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/to/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/to/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/to/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/to/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/to/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/to/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/to/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/widen/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/widen/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/widen/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/widen/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/widen/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/widen/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/widen/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/widen/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/2.cc
index 7d2a142aaf8..e88eb1e906c 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US.ISO-8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-03-12  Petur Runolfsson  <peturr02@ru.is>
 
@@ -31,7 +31,7 @@ void test02()
   using namespace std;
   bool test __attribute__((unused)) = true;
 
-  locale loc = locale("en_US.ISO-8859-1");
+  locale loc = locale(ISO_8859(1,en_US));
   const ctype<wchar_t>& wct = use_facet<ctype<wchar_t> >(loc);
 
   char c = 0xff;
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/widen/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/facet/2.cc b/libstdc++-v3/testsuite/22_locale/facet/2.cc
index 6f8aabf1cee..7772be22e02 100644
--- a/libstdc++-v3/testsuite/22_locale/facet/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/facet/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "es_MX" }
+// { dg-require-namedlocale "es_MX.ISO8859-1" }
 
 // 2000-08-31 Benjamin Kosnik <bkoz@redhat.com>
 
@@ -84,7 +84,7 @@ void test02()
   // 4: Named locale should destroy facets when it goes out of scope.
   // Not quite sure how to test for this w/o valgrind at the moment.
   {
-    locale loc03 = locale("es_MX");
+    locale loc03 = locale(ISO_8859(1,es_MX));
   }
 }
 
diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/12352.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/12352.cc
index 9fac2993e84..e91758f7c96 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/cons/12352.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/12352.cc
@@ -1,5 +1,5 @@
 // { dg-require-namedlocale "" }
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -106,7 +106,7 @@ void test01(int iters)
 	      std::locale loc1 = std::locale("");
 	      std::locale loc2(loc1, std::locale::classic(),
 			       std::locale::numeric);
-	      std::locale loc3 = std::locale("en_US");
+	      std::locale loc3 = std::locale(ISO_8859(1,en_US));
 	      std::locale loc4(loc3, std::locale::classic(),
 			       std::locale::numeric);
 	    }
diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-1.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-1.cc
index e42678661b9..dea1c1ae6ad 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-1.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-1.cc
@@ -1,8 +1,8 @@
 // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* } }
 // { dg-options "-pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* } }
 // { dg-options "-pthreads" { target *-*-solaris* } }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // Copyright (C) 2004-2015 Free Software Foundation, Inc.
 //
@@ -39,7 +39,7 @@ void* thread_main(void*)
       std::locale loc_c = std::locale::classic();
       std::locale loc[max_locales];
       for (int j = 0; j < max_locales; ++j)
-	loc[j] = std::locale(j % 2 ? "en_US" : "fr_FR");
+	loc[j] = std::locale(j % 2 ? ISO_8859(1,en_US) : ISO_8859(15,fr_FR));
       
       for (int i = 0; i < max_loop_count; ++i)
 	{
diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-2.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-2.cc
index 279c9833450..4c51cb8e0a3 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-2.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/12658_thread-2.cc
@@ -1,8 +1,8 @@
 // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* } }
 // { dg-options "-pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* } }
 // { dg-options "-pthreads" { target *-*-solaris* } }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // Copyright (C) 2004-2015 Free Software Foundation, Inc.
 //
@@ -53,7 +53,7 @@ main()
   pthread_t tid[max_thread_count];
   
   for (int j = 0; j < max_locales; ++j)
-    loc[j] = std::locale(j % 2 ? "en_US" : "fr_FR");  
+    loc[j] = std::locale(j % 2 ? ISO_8859(1,en_US) : ISO_8859(15,fr_FR));
 
   for (int i = 0; i < max_thread_count; i++)
     pthread_create(&tid[i], 0, thread_main, 0);
diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/2.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/2.cc
index 463f147d903..5e90feb5bd3 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/cons/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2000-09-13 Benjamin Kosnik <bkoz@redhat.com>
 
@@ -87,10 +87,10 @@ void test01()
 
   // 3
   // explicit locale(const char* std_name)
-  locale loc06 = locale("fr_FR");
+  locale loc06 = locale(ISO_8859(15,fr_FR));
   VERIFY( loc06 != loc01 );  
   VERIFY( loc06 != loc02 );  
-  VERIFY( loc06.name() == "fr_FR");
+  VERIFY( loc06.name() == ISO_8859(15,fr_FR));
   locale loc07("");
   VERIFY( loc07 != loc02 );  
   VERIFY( loc07.name() != "" );
@@ -113,7 +113,7 @@ void test01()
   {
     // This is the same as 5 only use "C" for loc("C")
     locale loc09(loc06, "C", locale::ctype);
-    VERIFY( loc09.name() != "fr_FR" );
+    VERIFY( loc09.name() != ISO_8859(15,fr_FR) );
     VERIFY( loc09.name() != "C" );
     VERIFY( loc09.name() != "*" );
     VERIFY( loc09 != loc01 );  
@@ -143,11 +143,11 @@ void test01()
       { VERIFY( false ); }
 
     locale loc14(loc06, "C", locale::none);
-    VERIFY( loc14.name() == "fr_FR" );
+    VERIFY( loc14.name() == ISO_8859(15,fr_FR) );
     VERIFY( loc14 == loc06 );
 
     locale loc15(loc06, "C", locale::collate );
-    VERIFY( loc15.name() != "fr_FR" );
+    VERIFY( loc15.name() != ISO_8859(15,fr_FR) );
     VERIFY( loc15.name() != "C" );
     VERIFY( loc15.name() != "*" );
     VERIFY( loc15.name() != loc09.name() );
@@ -161,7 +161,7 @@ void test01()
   {
     // This is the exact same as 4, with locale("C") for "C"
     locale loc09(loc06, loc01, locale::ctype);
-    VERIFY( loc09.name() != "fr_FR" );
+    VERIFY( loc09.name() != ISO_8859(15,fr_FR) );
     VERIFY( loc09.name() != "C" );
     VERIFY( loc09.name() != "*" );
     VERIFY( loc09 != loc01 );
@@ -191,11 +191,11 @@ void test01()
       { VERIFY( false ); }
 
     locale loc14(loc06, loc01, locale::none);
-    VERIFY( loc14.name() == "fr_FR" );
+    VERIFY( loc14.name() == ISO_8859(15,fr_FR) );
     VERIFY( loc14 == loc06 );
 
     locale loc15(loc06, loc01, locale::collate);
-    VERIFY( loc15.name() != "fr_FR" );
+    VERIFY( loc15.name() != ISO_8859(15,fr_FR) );
     VERIFY( loc15.name() != "C" );
     VERIFY( loc15.name() != "*" );
     VERIFY( loc15.name() != loc09.name() );
diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/38365.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/38365.cc
index dda44d9d16c..9d3faf2f42f 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/cons/38365.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/38365.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // Copyright (C) 2008-2015 Free Software Foundation, Inc.
 //
@@ -29,7 +29,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   locale other(locale("C"));
-  locale one(locale("en_US"), new ctype<char>());
+  locale one(locale(ISO_8859(1,en_US)), new ctype<char>());
   locale loc(other, one, locale::collate);
 
   VERIFY( one.name() == "*" );
diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/38368.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/38368.cc
index b9e20b33b3a..2f468eb04e4 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/cons/38368.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/38368.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // Copyright (C) 2008-2015 Free Software Foundation, Inc.
 //
@@ -28,7 +28,7 @@ void test01()
   using namespace std;
   bool test __attribute__((unused)) = true;
 
-  locale loc(locale("C"), "en_US", locale::collate);
+  locale loc(locale("C"), ISO_8859(1,en_US), locale::collate);
   locale loc_copy(loc.name().c_str());
 
   const moneypunct<char, true>& mpunt =
diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/4.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/4.cc
index 064cec2051f..9d7fb34ac21 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/cons/4.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/4.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "it_IT" }
+// { dg-require-namedlocale "it_IT.ISO8859-15" }
 
 // 2000-09-13 Benjamin Kosnik <bkoz@redhat.com>
 
@@ -33,10 +33,10 @@ void test03()
   bool test __attribute__((unused)) = true;
 #ifdef _GLIBCXX_HAVE_SETENV 
   const char* LC_ALL_orig = getenv("LC_ALL");
-  if (!setenv("LC_ALL", "it_IT", 1))
+  if (!setenv("LC_ALL", ISO_8859(15,it_IT), 1))
     {
       std::locale loc = std::locale(""); 
-      VERIFY( loc.name() == "it_IT" );
+      VERIFY( loc.name() == ISO_8859(15,it_IT) );
       setenv("LC_ALL", LC_ALL_orig ? LC_ALL_orig : "", 1);
     }
 #endif
diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/40184.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/40184.cc
index 0977caf99d5..2ec464364a3 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/cons/40184.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/40184.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // Copyright (C) 2009-2015 Free Software Foundation, Inc.
 //
@@ -29,7 +29,7 @@ void test01()
   using namespace std;
   bool test __attribute__((unused)) = true;
 
-  locale locf(locale("C"), "ja_JP.eucjp", locale::monetary);
+  locale locf(locale("C"), "ja_JP.eucJP", locale::monetary);
 
   const moneypunct<wchar_t, false>& mpf = 
     use_facet<moneypunct<wchar_t, false> >(locf);
@@ -40,7 +40,7 @@ void test01()
 
   VERIFY( mpf.curr_symbol() == mpf_copy.curr_symbol() );
 
-  locale loct(locale("C"), "ja_JP.eucjp", locale::monetary);
+  locale loct(locale("C"), "ja_JP.eucJP", locale::monetary);
 
   const moneypunct<wchar_t, true>& mpt = 
     use_facet<moneypunct<wchar_t, true> >(loct);
diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/7.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/7.cc
index 21d4ed32261..cef8d7e5a39 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/cons/7.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/7.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "is_IS" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
 
 // 2001-01-19 Benjamin Kosnik <bkoz@redhat.com>
 
@@ -36,9 +36,9 @@ test02()
 
   // construct a locale object with the specialized facet.
   locale		loc_c = locale::classic();
-  locale		loc_is = locale("is_IS");
+  locale		loc_is = locale(ISO_8859(1,is_IS));
   locale 		loc_1(locale::classic(), 
-			      new numpunct_byname<char>("is_IS"));
+			      new numpunct_byname<char>(ISO_8859(1,is_IS)));
 
   // check names
   VERIFY( loc_c.name() == name_c );
diff --git a/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/14071.cc b/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/14071.cc
index e0243645e0e..623117e8e55 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/14071.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/14071.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "is_IS" }
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2004-02-09  Petur Runolfsson  <peturr02@ru.is>
 
@@ -32,8 +32,8 @@ void test01()
   using namespace std;
   bool test __attribute__((unused)) = true;
 
-  const locale loc_is = locale("is_IS");
-  const locale loc_en = locale("en_US");
+  const locale loc_is = locale(ISO_8859(1,is_IS));
+  const locale loc_en = locale(ISO_8859(1,en_US));
 
   const locale loc(loc_is, loc_en, locale::monetary);
 
diff --git a/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/2.cc b/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/2.cc
index 3676634c947..6ffe72c0edd 100644
--- a/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/locale/global_locale_objects/2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_PH" }
-// { dg-require-namedlocale "es_MX" }
+// { dg-require-namedlocale "en_PH.ISO8859-1" }
+// { dg-require-namedlocale "es_MX.ISO8859-1" }
 
 // 2000-09-13 Benjamin Kosnik <bkoz@redhat.com>
 
@@ -32,8 +32,8 @@ void test02()
   using namespace std;
   bool test __attribute__((unused)) = true;
   
-  const string ph("en_PH");
-  const string mx("es_MX");
+  const string ph(ISO_8859(1,en_PH));
+  const string mx(ISO_8859(1,es_MX));
   const char* orig = setlocale(LC_ALL, 0);
   const char* testph = setlocale(LC_ALL, ph.c_str());
   const char* testmx = setlocale(LC_ALL, mx.c_str());
diff --git a/libstdc++-v3/testsuite/22_locale/messages/13631.cc b/libstdc++-v3/testsuite/22_locale/messages/13631.cc
index fb93c000f4c..b9856a0a228 100644
--- a/libstdc++-v3/testsuite/22_locale/messages/13631.cc
+++ b/libstdc++-v3/testsuite/22_locale/messages/13631.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // Copyright (C) 2014-2015 Free Software Foundation, Inc.
 //
@@ -27,7 +27,7 @@ void test01()
   // This is defined through CXXFLAGS in scripts/testsuite_flags[.in].
   const char* dir = LOCALEDIR;
 
-  std::locale l("fr_FR");
+  std::locale l(ISO_8859(15,fr_FR));
 
   typedef std::messages<char> messages;
 
@@ -63,7 +63,7 @@ void test02()
   // This is defined through CXXFLAGS in scripts/testsuite_flags[.in].
   const char* dir = LOCALEDIR;
 
-  std::locale l("fr_FR");
+  std::locale l(ISO_8859(15,fr_FR));
 
   typedef std::messages<wchar_t> messages;
 
diff --git a/libstdc++-v3/testsuite/22_locale/messages/members/char/1.cc b/libstdc++-v3/testsuite/22_locale/messages/members/char/1.cc
index ff60a1842c7..8cfbaae00ee 100644
--- a/libstdc++-v3/testsuite/22_locale/messages/members/char/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/messages/members/char/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-07-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -36,7 +36,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // cache the messages facets
@@ -46,7 +46,7 @@ void test01()
   // string_type get(catalog, int, int, const string_type& ) const; 
   // void close(catalog) const;
 
-  // Check German (de_DE) locale.
+  // Check German (de_DE.ISO8859-15) locale.
   catalog cat_de = mssg_de.open("libstdc++", loc_c, dir);
   string s01 = mssg_de.get(cat_de, 0, 0, "please");
   string s02 = mssg_de.get(cat_de, 0, 0, "thank you");
diff --git a/libstdc++-v3/testsuite/22_locale/messages/members/char/2.cc b/libstdc++-v3/testsuite/22_locale/messages/members/char/2.cc
index 11ced8fb95f..699ca2d8e69 100644
--- a/libstdc++-v3/testsuite/22_locale/messages/members/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/messages/members/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2001-07-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test02()
   const char* dir = LOCALEDIR;
 
   // basic construction
-  locale loc_fr = locale("fr_FR");
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
   VERIFY( locale::classic() != loc_fr );
 
   // cache the messages facets
diff --git a/libstdc++-v3/testsuite/22_locale/messages/members/char/3.cc b/libstdc++-v3/testsuite/22_locale/messages/members/char/3.cc
index 8ed0a7a81fc..889e3857814 100644
--- a/libstdc++-v3/testsuite/22_locale/messages/members/char/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/messages/members/char/3.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2001-07-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,8 +37,8 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_fr = locale("fr_FR");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
   VERIFY( loc_c != loc_us );
   VERIFY( loc_us != loc_fr );
 
diff --git a/libstdc++-v3/testsuite/22_locale/messages/members/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/messages/members/char/wrapped_env.cc
index 77a4ffe0453..97513fa42b5 100644
--- a/libstdc++-v3/testsuite/22_locale/messages/members/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/messages/members/char/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/messages/members/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/messages/members/char/wrapped_locale.cc
index 8dd71b5982c..26fb30241fa 100644
--- a/libstdc++-v3/testsuite/22_locale/messages/members/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/messages/members/char/wrapped_locale.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -45,6 +45,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/messages_byname/named_equivalence.cc b/libstdc++-v3/testsuite/22_locale/messages_byname/named_equivalence.cc
index b30ee772d84..4229caef164 100644
--- a/libstdc++-v3/testsuite/22_locale/messages_byname/named_equivalence.cc
+++ b/libstdc++-v3/testsuite/22_locale/messages_byname/named_equivalence.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-07-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -36,10 +36,10 @@ void test01()
   const char* dir = LOCALEDIR;
   locale loc_c = locale::classic();
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   str = loc_de.name();
 
-  locale loc_byname(locale::classic(), new messages_byname<char>("de_DE"));
+  locale loc_byname(locale::classic(), new messages_byname<char>(ISO_8859(15,de_DE)));
   str = loc_byname.name();
 
   VERIFY( loc_de != loc_byname );
@@ -52,7 +52,7 @@ void test01()
   // string_type get(catalog, int, int, const string_type& ) const; 
   // void close(catalog) const;
 
-  // Check German (de_DE) locale.
+  // Check German (de_DE.ISO8859-15) locale.
   catalog cat_de = mssg_de.open("libstdc++", loc_c, dir);
   string s01 = mssg_de.get(cat_de, 0, 0, "please");
   string s02 = mssg_de.get(cat_de, 0, 0, "thank you");
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/1.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/1.cc
index 2513d7d789c..e9de263632d 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-12 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/10.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/10.cc
index f484576a47c..bf5e8aaa9d9 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/10.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/10.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-10-23  Paolo Carlini  <pcarlini@suse.de>
 
@@ -32,7 +32,7 @@ void test01()
 
   bool test __attribute__((unused)) = true;
 
-  locale loc_us = locale("en_US");
+  locale loc_us = locale(ISO_8859(1,en_US));
 
   iterator_type end;
   istringstream iss;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/11.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/11.cc
index a5fdb418e3a..f3d340b6f76 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/11.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/11.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-10-24  Paolo Carlini  <pcarlini@suse.de>
 
@@ -34,7 +34,7 @@ void test01()
   bool test __attribute__((unused)) = true;
   
   // basic construction
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   iterator_type end;
   istringstream iss;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/11528.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/11528.cc
index 187158259c1..5c21de57430 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/11528.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/11528.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -30,7 +30,7 @@ void test01()
 
   bool test __attribute__((unused)) = true;
 
-  locale loc_us = locale("en_US");
+  locale loc_us = locale(ISO_8859(1,en_US));
 
   iterator_type end;
   istringstream iss;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/12.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/12.cc
index c39bcb5b5d2..cdf0505e194 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/12.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/12.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2004-02-05  Paolo Carlini  <pcarlini@suse.de>
 
@@ -35,7 +35,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // total EPA budget FY 2002
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/13.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/13.cc
index a12970edd58..f5f4fd9ec0f 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/13.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/13.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2004-02-05  Paolo Carlini  <pcarlini@suse.de>
 
@@ -35,7 +35,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   iterator_type end01, end02;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/15.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/15.cc
index 3684694c626..9978694c117 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/15.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/15.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2004-03-01  Paolo Carlini  <pcarlini@suse.de>
 
@@ -36,7 +36,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   iterator_type end01, end02;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/16.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/16.cc
index 9f4c3482792..0278cba8ae2 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/16.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/16.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2004-03-02  Paolo Carlini  <pcarlini@suse.de>
 
@@ -36,8 +36,8 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
-  locale loc_hk = locale("en_HK");
+  locale loc_de = locale(ISO_8859(15,de_DE));
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_hk != loc_de );
   VERIFY( loc_c != loc_hk );
 
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/17.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/17.cc
index af88c50c4b4..6a30990a43a 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/17.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/17.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2004-03-08  Paolo Carlini  <pcarlini@suse.de>
 
@@ -36,7 +36,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   iterator_type end, end02;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/18.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/18.cc
index 7d4066d9c71..a66705831e6 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/18.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/18.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2004-03-15  Paolo Carlini  <pcarlini@suse.de>
 
@@ -36,7 +36,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
   
   iterator_type end, end01, end02;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/2.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/2.cc
index 3d384fd5d5e..a18dbd3b07e 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-12 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // total EPA budget FY 2002
@@ -80,7 +80,7 @@ void test02()
   VERIFY( result11 == digits4 );
   VERIFY( err11 == ios_base::eofbit );
 
-  // for the "en_HK" locale the parsing of the very same input streams must
+  // for the "en_HK.ISO8859-1" locale the parsing of the very same input streams must
   // be successful without showbase too, since the symbol field appears in
   // the first positions in the format and the symbol, when present, must be
   // consumed.
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/3.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/3.cc
index c2cbda993b3..86b84a387f1 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-12 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // total EPA budget FY 2002
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/4.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/4.cc
index 2db1a091fcc..cc84f2eb04a 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/4.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/4.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-12 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test04()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // input less than frac_digits
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/wrapped_env.cc
index dce4cb05c91..9e2c2381841 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -69,6 +69,6 @@ int main()
   two.push_back(&test06);
   two.push_back(&test07);
   two.push_back(&test08);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/char/wrapped_locale.cc
index c6a60547395..8b93bc0c1ab 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/char/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -69,6 +69,6 @@ int main()
   two.push_back(&test06);
   two.push_back(&test07);
   two.push_back(&test08);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/1.cc
index 8500817fb46..eb9eb2c5aa0 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-12 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/10.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/10.cc
index f827d3835e6..bc993bdfe74 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/10.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/10.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2003-10-23  Paolo Carlini  <pcarlini@suse.de>
 
@@ -32,7 +32,7 @@ void test01()
 
   bool test __attribute__((unused)) = true;
 
-  locale loc_us = locale("en_US");
+  locale loc_us = locale(ISO_8859(1,en_US));
 
   iterator_type end;
   wistringstream iss;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/11.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/11.cc
index eba0990ee86..57da1532668 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/11.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/11.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-10-24  Paolo Carlini  <pcarlini@suse.de>
 
@@ -34,7 +34,7 @@ void test01()
   bool test __attribute__((unused)) = true;
   
   // basic construction
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   iterator_type end;
   wistringstream iss;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/11528.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/11528.cc
index bd9a5906285..e57ddf349ec 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/11528.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/11528.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -30,7 +30,7 @@ void test01()
 
   bool test __attribute__((unused)) = true;
 
-  locale loc_us = locale("en_US");
+  locale loc_us = locale(ISO_8859(1,en_US));
 
   iterator_type end;
   wistringstream iss;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/12.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/12.cc
index 87348cf77ab..0fdbd995a74 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/12.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/12.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2004-02-05  Paolo Carlini  <pcarlini@suse.de>
 
@@ -35,7 +35,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // total EPA budget FY 2002
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/13.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/13.cc
index d2cdba0a2a3..546e50a8f97 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/13.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/13.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2004-02-05  Paolo Carlini  <pcarlini@suse.de>
 
@@ -35,7 +35,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   iterator_type end01, end02;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/15.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/15.cc
index fd5e7257e08..9e72ed81deb 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/15.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/15.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2004-03-01  Paolo Carlini  <pcarlini@suse.de>
 
@@ -36,7 +36,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   iterator_type end01, end02;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/16.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/16.cc
index 0d0077f8cdc..833e8277036 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/16.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/16.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2004-03-02  Paolo Carlini  <pcarlini@suse.de>
 
@@ -36,8 +36,8 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
-  locale loc_hk = locale("en_HK");
+  locale loc_de = locale(ISO_8859(15,de_DE));
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_hk != loc_de );
   VERIFY( loc_c != loc_hk );
 
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/17.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/17.cc
index 2c6e86fab71..d688f818ce6 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/17.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/17.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2004-03-08  Paolo Carlini  <pcarlini@suse.de>
 
@@ -36,7 +36,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   iterator_type end, end02;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/18.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/18.cc
index 936b5937f32..a357f7f943e 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/18.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/18.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2004-03-15  Paolo Carlini  <pcarlini@suse.de>
 
@@ -36,7 +36,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
   
   iterator_type end, end01, end02;
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/2.cc
index 079d07617a7..0cafe2aee3f 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-12 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // total EPA budget FY 2002
@@ -80,7 +80,7 @@ void test02()
   VERIFY( result11 == digits4 );
   VERIFY( err11 == ios_base::eofbit );
 
-  // for the "en_HK" locale the parsing of the very same input streams must
+  // for the "en_HK.ISO8859-1" locale the parsing of the very same input streams must
   // be successful without showbase too, since the symbol field appears in
   // the first positions in the format and the symbol, when present, must be
   // consumed.
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/3.cc
index 969f108e752..b67fafef17e 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-12 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // total EPA budget FY 2002
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/4.cc
index 6170e5c8c96..e0d5674d8c1 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/4.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/4.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-12 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test04()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // input less than frac_digits
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/wrapped_env.cc
index dce4cb05c91..9e2c2381841 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -69,6 +69,6 @@ int main()
   two.push_back(&test06);
   two.push_back(&test07);
   two.push_back(&test08);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/wrapped_locale.cc
index c6a60547395..8b93bc0c1ab 100644
--- a/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_get/get/wchar_t/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -69,6 +69,6 @@ int main()
   two.push_back(&test06);
   two.push_back(&test07);
   two.push_back(&test08);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/char/1.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/char/1.cc
index 62ef407b0cd..8c493e6f688 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/char/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/char/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-27 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/char/2.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/char/2.cc
index 8d58abaab40..40dd26373e3 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-27 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/char/3.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/char/3.cc
index d15ccc55100..386e08bba97 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/char/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/char/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-27 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/char/9780-3.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/char/9780-3.cc
index 33b5be87ef5..dc0396173d3 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/char/9780-3.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/char/9780-3.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "es_ES" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
 
 // Copyright (C) 2004-2015 Free Software Foundation, Inc.
 //
@@ -27,8 +27,8 @@ int main()
   using namespace std;
 
   bool test __attribute__((unused)) = true;
-  locale l1 = locale("de_DE");
-  locale l2 = locale("es_ES");
+  locale l1 = locale(ISO_8859(15,de_DE));
+  locale l2 = locale(ISO_8859(15,es_ES));
   
   const money_put<char>& mp = use_facet<money_put<char> >(l1);  
   ostringstream oss;
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/char/wrapped_env.cc
index 6d33c558855..6666050d496 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/char/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -59,6 +59,6 @@ int main()
   two.push_back(&test04);
   two.push_back(&test05);
   two.push_back(&test06);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/char/wrapped_locale.cc
index 7b773998148..eacfcbcd46d 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/char/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -59,6 +59,6 @@ int main()
   two.push_back(&test04);
   two.push_back(&test05);
   two.push_back(&test06);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/1.cc
index 1594874ceef..35666414293 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-27 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/2.cc
index b75b88b0e14..69ce62c5ff5 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-27 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/3.cc
index 7c5dec2c28d..e54c692be91 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-27 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE@euro");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/wrapped_env.cc
index 6d33c558855..6666050d496 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -59,6 +59,6 @@ int main()
   two.push_back(&test04);
   two.push_back(&test05);
   two.push_back(&test06);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/wrapped_locale.cc
index 7b773998148..eacfcbcd46d 100644
--- a/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/money_put/put/wchar_t/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE@euro" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -59,6 +59,6 @@ int main()
   two.push_back(&test04);
   two.push_back(&test05);
   two.push_back(&test06);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/moneypunct/40712.cc b/libstdc++-v3/testsuite/22_locale/moneypunct/40712.cc
index eb3c0b5069e..f0ff60ab0be 100644
--- a/libstdc++-v3/testsuite/22_locale/moneypunct/40712.cc
+++ b/libstdc++-v3/testsuite/22_locale/moneypunct/40712.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2009-07-18  Paolo Carlini  <paolo.carlini@oracle.com>
 
@@ -22,6 +22,7 @@
 // 22.2.6.3  Template class moneypunct
 
 #include <locale>
+#include <testsuite_hooks.h>
 
 // libstdc++/40712
 void test01()
@@ -29,7 +30,7 @@ void test01()
   bool test __attribute__((unused)) = true;
   using namespace std;
 
-  locale loc(locale("C"), "en_US", locale::monetary);
+  locale loc(locale("C"), ISO_8859(1,en_US), locale::monetary);
   
   use_facet<moneypunct<char> >(loc).grouping();
 }
diff --git a/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/2.cc b/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/2.cc
index 2f486cea505..abfd7e4fe62 100644
--- a/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-23 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   // cache the moneypunct facets
   typedef moneypunct<char, true> __money_true;
diff --git a/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/wrapped_env.cc
index d4f22931887..608bb21baeb 100644
--- a/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/wrapped_locale.cc
index 5d2fb2e9bc6..fe62c903888 100644
--- a/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/moneypunct/members/char/wrapped_locale.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -38,6 +38,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/2.cc
index 028a8157544..a8c277fc841 100644
--- a/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-23 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,7 +35,7 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   // cache the moneypunct facets
   typedef moneypunct<wchar_t, true> __money_true;
diff --git a/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/wrapped_env.cc
index d4f22931887..608bb21baeb 100644
--- a/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/wrapped_locale.cc
index 7e8facf9c15..40254ab1f7b 100644
--- a/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/moneypunct/members/wchar_t/wrapped_locale.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -38,6 +38,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/moneypunct_byname/named_equivalence.cc b/libstdc++-v3/testsuite/22_locale/moneypunct_byname/named_equivalence.cc
index 11b324bc2b0..a3d91094ba1 100644
--- a/libstdc++-v3/testsuite/22_locale/moneypunct_byname/named_equivalence.cc
+++ b/libstdc++-v3/testsuite/22_locale/moneypunct_byname/named_equivalence.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-24 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -33,10 +33,10 @@ void test01()
   bool test __attribute__((unused)) = true;
   string str;
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   str = loc_de.name();
 
-  locale loc_byname(locale::classic(), new moneypunct_byname<char>("de_DE"));
+  locale loc_byname(locale::classic(), new moneypunct_byname<char>(ISO_8859(15,de_DE)));
   str = loc_byname.name();
 
   locale loc_c = locale::classic();
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/char/1.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/char/1.cc
index 99faa87ccb1..9685a6f3f8c 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/char/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/char/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/char/3.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/char/3.cc
index 48ea5dce4a6..b51cf699d28 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/char/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/char/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/char/5.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/char/5.cc
index 13fb837a1b4..14c54961b56 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/char/5.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/char/5.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,7 +37,7 @@ void test05()
   istringstream iss;
 
   // A locale that expects grouping  
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   iss.imbue(loc_de);
 
   const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc()); 
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/char/6.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/char/6.cc
index d1af38cd60d..06a25464edb 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/char/6.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/char/6.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test06()
   double d = 0.0;
 
   istringstream iss;
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   iss.imbue(loc_de);
 
   const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc()); 
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/char/9.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/char/9.cc
index 058b562b1c7..16c914a1b99 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/char/9.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/char/9.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-12-19  Paolo Carlini  <pcarlini@suse.de>
 
@@ -33,7 +33,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   // A locale that expects grouping  
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   istringstream iss;
   iss.imbue(loc_de);
 
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/char/wrapped_env.cc
index fa4f92469cf..c864049e583 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/char/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -58,6 +58,6 @@ int main()
   two.push_back(&test04);
   two.push_back(&test05);
   two.push_back(&test06);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/char/wrapped_locale.cc
index c488ecc9619..eacfcbcd46d 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/char/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -59,6 +59,6 @@ int main()
   two.push_back(&test04);
   two.push_back(&test05);
   two.push_back(&test06);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/1.cc
index 6d3c9cd2e31..a4f35e749a3 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/3.cc
index d0776dcda09..d599347ddab 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/5.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/5.cc
index cc4aae193df..ed78cc32c87 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/5.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/5.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,7 +37,7 @@ void test05()
   wistringstream iss;
 
   // A locale that expects grouping  
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   iss.imbue(loc_de);
 
   const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc()); 
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/6.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/6.cc
index 8e0dc5b171d..e3e06c9b305 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/6.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/6.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test06()
   double d = 0.0;
 
   wistringstream iss;
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   iss.imbue(loc_de);
 
   const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc()); 
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/9.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/9.cc
index 953f3ec83cd..f18c67cea6d 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/9.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/9.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-12-19  Paolo Carlini  <pcarlini@suse.de>
 
@@ -33,7 +33,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   // A locale that expects grouping  
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   wistringstream iss;
   iss.imbue(loc_de);
 
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/wrapped_env.cc
index fa4f92469cf..c864049e583 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -58,6 +58,6 @@ int main()
   two.push_back(&test04);
   two.push_back(&test05);
   two.push_back(&test06);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/wrapped_locale.cc
index c488ecc9619..eacfcbcd46d 100644
--- a/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_get/get/wchar_t/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -59,6 +59,6 @@ int main()
   two.push_back(&test04);
   two.push_back(&test05);
   two.push_back(&test06);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/char/1.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/char/1.cc
index a1aa072a636..8d448d9cfda 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/char/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/char/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de  = locale("de_DE");
+  locale loc_de  = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // cache the numpunct facets
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/char/20909.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/char/20909.cc
index 65a886a5d1e..aa03a60e6cc 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/char/20909.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/char/20909.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2005-04-08  Paolo Carlini  <pcarlini@suse.de>
 
@@ -32,7 +32,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   // A locale that expects grouping.
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   const string empty;
   string result;
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/char/20914.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/char/20914.cc
index 0b617d760f8..7aa2c0c6291 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/char/20914.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/char/20914.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2005-04-17  Paolo Carlini  <pcarlini@suse.de>
 
@@ -32,7 +32,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   // A locale that expects grouping.
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   const string empty;
   string result;
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/char/3.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/char/3.cc
index 781e3745dd2..ce6afd4fefe 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/char/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/char/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/char/5.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/char/5.cc
index d3b6e8d11a4..bada771c2ee 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/char/5.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/char/5.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test05()
   bool test __attribute__((unused)) = true;
 
   // A locale that expects grouping.
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   const string empty;
   string result;
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/char/9780-2.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/char/9780-2.cc
index 8fa28607fc0..0b8d14af2ce 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/char/9780-2.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/char/9780-2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "es_ES" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
 
 // Copyright (C) 2004-2015 Free Software Foundation, Inc.
 //
@@ -24,7 +24,7 @@
 
 // Make sure that formatted output uses the locale in the output stream.
 using namespace std;
-locale l1 = locale("de_DE");
+locale l1 = locale(ISO_8859(15,de_DE));
 const num_put<char>& np = use_facet<num_put<char> >(l1);
 const numpunct<char>& npunct = use_facet<numpunct<char> >(l1);
 
@@ -51,7 +51,7 @@ void test02()
 {
   bool test __attribute__((unused)) = true;
 
-  locale l2 = locale("es_ES");
+  locale l2 = locale(ISO_8859(15,es_ES));
   const numpunct<char>& npunct3 = use_facet<numpunct<char> >(l2);
   char c __attribute__((unused)) = npunct3.thousands_sep();
   string s = npunct3.grouping();
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/char/wrapped_env.cc
index d8d6cc66ca7..d5ea3a54794 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/char/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "es_ES" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -54,6 +54,6 @@ int main()
   two.push_back(&test03);
   two.push_back(&test04);
   two.push_back(&test05);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/char/wrapped_locale.cc
index e43cb6017be..69b9dc317d8 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/char/wrapped_locale.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "es_ES" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -55,6 +55,6 @@ int main()
   two.push_back(&test03);
   two.push_back(&test04);
   two.push_back(&test05);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/1.cc
index 6d514079e79..116044b1eb9 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
 
   // cache the numpunct facets
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/20909.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/20909.cc
index 5923860f066..8cca878d0fd 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/20909.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/20909.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2005-04-08  Paolo Carlini  <pcarlini@suse.de>
 
@@ -32,7 +32,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   // A locale that expects grouping.
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   const wstring empty;
   wstring result;
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/20914.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/20914.cc
index cdffd52b65f..ab92f031d3d 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/20914.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/20914.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2005-04-17  Paolo Carlini  <pcarlini@suse.de>
 
@@ -32,7 +32,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   // A locale that expects grouping.
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   const wstring empty;
   wstring result;
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/3.cc
index 4180382fe2f..d2c5be454f6 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test03()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_c != loc_hk );
 
   // sanity check the data is correct.
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/5.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/5.cc
index beaa319a55e..f2efb162347 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/5.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/5.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-11-19 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test05()
   bool test __attribute__((unused)) = true;
 
   // A locale that expects grouping.
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
 
   const wstring empty;
   wstring result;
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/wrapped_env.cc
index e372f2a0464..4856dea8eed 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -53,6 +53,6 @@ int main()
   two.push_back(&test03);
   two.push_back(&test04);
   two.push_back(&test05);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/wrapped_locale.cc
index ce69346738d..17bb2a31b5e 100644
--- a/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/num_put/put/wchar_t/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -54,6 +54,6 @@ int main()
   two.push_back(&test03);
   two.push_back(&test04);
   two.push_back(&test05);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/numpunct/members/char/2.cc b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/2.cc
index e9c13cf1949..ce3ce0b2f80 100644
--- a/libstdc++-v3/testsuite/22_locale/numpunct/members/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/2.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "is_IS" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-01-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,9 +34,9 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_is = locale("is_IS");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_is = locale(ISO_8859(1,is_IS));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_is );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/numpunct/members/char/3.cc b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/3.cc
index 8de6dda3e18..18075a58764 100644
--- a/libstdc++-v3/testsuite/22_locale/numpunct/members/char/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "it_IT" }
+// { dg-require-namedlocale "it_IT.ISO8859-15" }
 
 // 2001-01-24 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -30,7 +30,7 @@ void test02()
   
   bool test __attribute__((unused)) = true;
 
-  locale loc_it = locale("it_IT");
+  locale loc_it = locale(ISO_8859(15,it_IT));
 
   const numpunct<char>& nump_it = use_facet<numpunct<char> >(loc_it); 
 
diff --git a/libstdc++-v3/testsuite/22_locale/numpunct/members/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/wrapped_env.cc
index ab24f85624d..e92737be777 100644
--- a/libstdc++-v3/testsuite/22_locale/numpunct/members/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "is_IS" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -39,6 +39,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/numpunct/members/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/wrapped_locale.cc
index 5cfd13410d4..996b4452a6c 100644
--- a/libstdc++-v3/testsuite/22_locale/numpunct/members/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/numpunct/members/char/wrapped_locale.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "is_IS" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,6 +40,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/2.cc
index 72d84a9b578..352d7a92bd6 100644
--- a/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/2.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "is_IS" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-01-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,9 +34,9 @@ void test02()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_us = locale("en_US");
-  locale loc_is = locale("is_IS");
-  locale loc_de = locale("de_DE");
+  locale loc_us = locale(ISO_8859(1,en_US));
+  locale loc_is = locale(ISO_8859(1,is_IS));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_c != loc_de );
   VERIFY( loc_us != loc_is );
   VERIFY( loc_us != loc_de );
diff --git a/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/wrapped_env.cc
index ab24f85624d..e92737be777 100644
--- a/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/wrapped_env.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "is_IS" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -39,6 +39,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/wrapped_locale.cc
index 5cfd13410d4..996b4452a6c 100644
--- a/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/numpunct/members/wchar_t/wrapped_locale.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "is_IS" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,6 +40,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test02);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/numpunct_byname/named_equivalence.cc b/libstdc++-v3/testsuite/22_locale/numpunct_byname/named_equivalence.cc
index 0d13315e1d4..8cc768a0c6b 100644
--- a/libstdc++-v3/testsuite/22_locale/numpunct_byname/named_equivalence.cc
+++ b/libstdc++-v3/testsuite/22_locale/numpunct_byname/named_equivalence.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-01-24 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -31,10 +31,10 @@ void test01()
   bool test __attribute__((unused)) = true;
   string str;
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   str = loc_de.name();
 
-  locale loc_byname(locale::classic(), new numpunct_byname<char>("de_DE"));
+  locale loc_byname(locale::classic(), new numpunct_byname<char>(ISO_8859(15,de_DE)));
   str = loc_byname.name();
 
   locale loc_c = locale::classic();
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/date_order/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/date_order/char/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/date_order/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/date_order/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/date_order/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/date_order/char/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/date_order/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/date_order/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/date_order/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/date_order/wchar_t/wrapped_env.cc
index eddb670b8b9..0e4b03b732f 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/date_order/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/date_order/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/date_order/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/date_order/wchar_t/wrapped_locale.cc
index b899fafbe90..43e2381d2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/date_order/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/date_order/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -32,6 +32,6 @@ int main()
   using namespace __gnu_test;
   func_callback two;
   two.push_back(&test01);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get/char/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get/char/2.cc
index 1ea933df0e9..3e351b4df98 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE.utf8" }
+// { dg-require-namedlocale "de_DE.UTF-8" }
 // { dg-options " -std=gnu++11 " }
 
 // 2014-04-14 Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
@@ -41,7 +41,7 @@ void test02()
   bool test __attribute__((unused)) = true;
 
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE.utf8");
+  locale loc_de = locale("de_DE.UTF-8");
   VERIFY( loc_de != loc_c );
 
   istringstream iss;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get/wchar_t/2.cc
index 1f1582e5a34..89f26c45b18 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE.utf8" }
+// { dg-require-namedlocale "de_DE.UTF-8" }
 // { dg-options " -std=gnu++11 " }
 
 // 2014-04-14 Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
@@ -41,7 +41,7 @@ void test02()
   bool test __attribute__((unused)) = true;
 
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE.utf8");
+  locale loc_de = locale("de_DE.UTF-8");
   VERIFY( loc_de != loc_c );
 
   wistringstream iss;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/12750.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/12750.cc
index b95610ab03e..d2cf27432aa 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/12750.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/12750.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "is_IS" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
 
 // 2003-10-27 Paolo Carlini  <pcarlini@suse.de>
 
@@ -34,7 +34,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   // basic construction
-  locale loc_is = locale("is_IS");
+  locale loc_is = locale(ISO_8859(1,is_IS));
 
   // create an ostream-derived object, cache the time_get facet
   iterator_type end;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/2.cc
index 366610687b0..4f77123794b 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,8 +35,8 @@ void test02()
 
   // basic construction and sanity checks.
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
-  locale loc_de = locale("de_DE");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_hk != loc_c );
   VERIFY( loc_hk != loc_de );
 
@@ -63,7 +63,7 @@ void test02()
   iterator_type is_it01(iss);
   errorstate = good;
 
-  // inspection of named locales, de_DE
+  // inspection of named locales, de_DE.ISO8859-15
   iss.imbue(loc_de);
   iss.str("04.04.1971");
   iterator_type is_it10(iss);
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/26701.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/26701.cc
index a46b94b916e..52b74bc66b6 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/26701.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/26701.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_GB" }
+// { dg-require-namedlocale "en_GB.ISO8859-1" }
 
 // 2010-01-06  Paolo Carlini  <paolo.carlini@oracle.com>
 
@@ -33,7 +33,7 @@ void test01()
 
   typedef istreambuf_iterator<char> iterator_type;
 
-  locale loc_en = locale("en_GB");
+  locale loc_en = locale(ISO_8859(1,en_GB));
   
   tm tm0 = __gnu_test::test_tm(0, 0, 0, 0, 0, 0, 0, 0, 0);
 
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/wrapped_env.cc
index e7a40edc897..3f3ec38f0f3 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/wrapped_locale.cc
index 0853219a1d9..742a5b9339c 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/char/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/12750.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/12750.cc
index 65eec12b5a4..7a6ad65d51e 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/12750.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/12750.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "is_IS" }
+// { dg-require-namedlocale "is_IS.ISO8859-1" }
 
 // 2003-10-27 Paolo Carlini  <pcarlini@suse.de>
 
@@ -34,7 +34,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   // basic construction
-  locale loc_is = locale("is_IS");
+  locale loc_is = locale(ISO_8859(1,is_IS));
 
   // create an ostream-derived object, cache the time_get facet
   iterator_type end;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/2.cc
index aa3df0058d0..0bbd1ce864c 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,8 +35,8 @@ void test02()
 
   // basic construction and sanity checks.
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
-  locale loc_de = locale("de_DE");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_hk != loc_c );
   VERIFY( loc_hk != loc_de );
 
@@ -63,7 +63,7 @@ void test02()
   iterator_type is_it01(iss);
   errorstate = good;
 
-  // inspection of named locales, de_DE
+  // inspection of named locales, de_DE.ISO8859-15
   iss.imbue(loc_de);
   iss.str(L"04.04.1971");
   iterator_type is_it10(iss);
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/26701.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/26701.cc
index b15305e50df..4ea1d71a2cb 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/26701.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/26701.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_GB" }
+// { dg-require-namedlocale "en_GB.ISO8859-1" }
 
 // 2010-01-06  Paolo Carlini  <paolo.carlini@oracle.com>
 
@@ -33,7 +33,7 @@ void test01()
 
   typedef istreambuf_iterator<wchar_t> iterator_type;
 
-  locale loc_en = locale("en_GB");
+  locale loc_en = locale(ISO_8859(1,en_GB));
   
   tm tm0 = __gnu_test::test_tm(0, 0, 0, 0, 0, 0, 0, 0, 0);
 
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/4.cc
index 25e79732435..a177ba78750 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/4.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/4.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "zh_TW" }
+// { dg-require-namedlocale "zh_TW.UTF-8" }
 
 // 2003-12-17  Paolo Carlini  <pcarlini@suse.de>
 
@@ -32,7 +32,7 @@ void test01()
 
   typedef istreambuf_iterator<wchar_t> iterator_type;
 
-  locale loc_tw = locale("zh_TW");
+  locale loc_tw = locale("zh_TW.UTF-8");
 
   iterator_type end;
 
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/wrapped_env.cc
index e7a40edc897..3f3ec38f0f3 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/wrapped_locale.cc
index 0853219a1d9..742a5b9339c 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_date/wchar_t/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/2.cc
index 158047299ac..7ceb6c46784 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,8 +35,8 @@ void test02()
 
   // basic construction and sanity checks.
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
-  locale loc_de = locale("de_DE");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_hk != loc_c );
   VERIFY( loc_hk != loc_de );
 
@@ -54,7 +54,7 @@ void test02()
   iss.imbue(loc_de);
   const time_get<char>& tim_get = use_facet<time_get<char> >(iss.getloc()); 
 
-  // inspection of named locales, de_DE
+  // inspection of named locales, de_DE.ISO8859-15
   iss.str("April");
   iterator_type is_it10(iss);
   tm time10;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/wrapped_env.cc
index e7a40edc897..3f3ec38f0f3 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/wrapped_locale.cc
index 0853219a1d9..742a5b9339c 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/char/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/2.cc
index b97f66c59d9..d3a92cb7059 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,8 +35,8 @@ void test02()
 
   // basic construction and sanity checks.
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
-  locale loc_de = locale("de_DE");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_hk != loc_c );
   VERIFY( loc_hk != loc_de );
 
@@ -54,7 +54,7 @@ void test02()
   iss.imbue(loc_de);
   const time_get<wchar_t>& tim_get = use_facet<time_get<wchar_t> >(iss.getloc()); 
 
-  // inspection of named locales, de_DE
+  // inspection of named locales, de_DE.ISO8859-15
   iss.str(L"April");
   iterator_type is_it10(iss);
   tm time10;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_env.cc
index e7a40edc897..3f3ec38f0f3 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_locale.cc
index 0853219a1d9..742a5b9339c 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_monthname/wchar_t/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/1.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/1.cc
index 3445a9a371d..027492a910f 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test01()
 
   // basic construction and sanity checks.
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_de != loc_c );
 
   const string empty;
@@ -94,7 +94,7 @@ void test01()
   VERIFY( *ret04 == 'a' );
   VERIFY( errorstate == ios_base::failbit );
 
-  // inspection of named locales, de_DE
+  // inspection of named locales, de_DE.ISO8859-15
   iss.imbue(loc_de);
   iss.str("12:00:00");
   iterator_type is_it10(iss);
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/2.cc
index 8f946587921..75d7e4a34a1 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test02()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_hk != loc_c );
 
   const string empty;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/wrapped_env.cc
index e7a40edc897..3f3ec38f0f3 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/wrapped_locale.cc
index 0853219a1d9..742a5b9339c 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_time/char/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/1.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/1.cc
index 0f5c4d9f1cf..1415e3d829e 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test01()
 
   // basic construction and sanity checks.
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_de != loc_c );
 
   const wstring empty;
@@ -94,7 +94,7 @@ void test01()
   VERIFY( *ret04 == L'a' );
   VERIFY( errorstate == ios_base::failbit );
 
-  // inspection of named locales, de_DE
+  // inspection of named locales, de_DE.ISO8859-15
   iss.imbue(loc_de);
   iss.str(L"12:00:00");
   iterator_type is_it10(iss);
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/2.cc
index 7d3f6d554fc..f32067d76d7 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -34,7 +34,7 @@ void test02()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_hk != loc_c );
 
   const wstring empty;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/wrapped_env.cc
index e7a40edc897..3f3ec38f0f3 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/wrapped_locale.cc
index 0853219a1d9..742a5b9339c 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_time/wchar_t/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/2.cc
index 3a936d06173..47076ea2ce1 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,8 +35,8 @@ void test02()
 
   // basic construction and sanity checks.
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
-  locale loc_de = locale("de_DE");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_hk != loc_c );
   VERIFY( loc_hk != loc_de );
 
@@ -54,7 +54,7 @@ void test02()
   // create "C" time objects
   const tm time_bday = __gnu_test::test_tm(0, 0, 12, 4, 3, 71, 0, 93, 0);
 
-  // inspection of named locales, de_DE
+  // inspection of named locales, de_DE.ISO8859-15
   iss.imbue(loc_de);
   iss.str("Sonntag");
   iterator_type is_it10(iss);
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/38081-1.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/38081-1.cc
index 5ae798d73cc..27b5da8575f 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/38081-1.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/38081-1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ru_RU.ISO-8859-5" }
+// { dg-require-namedlocale "ru_RU.ISO8859-5" }
 
 // Copyright (C) 2010-2015 Free Software Foundation, Inc.
 //
@@ -33,7 +33,7 @@ void test01()
   typedef istreambuf_iterator<char> iterator_type;
 
   // basic construction
-  locale loc("ru_RU.ISO-8859-5");
+  locale loc(ISO_8859(5,ru_RU));
 
   // create an ostream-derived object, cache the time_get facet
   iterator_type end;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/38081-2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/38081-2.cc
index 79b280bfa7a..5a8bc480914 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/38081-2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/38081-2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ru_RU.UTF8" }
+// { dg-require-namedlocale "ru_RU.UTF-8" }
 
 // 2010-01-05  Paolo Carlini  <paolo.carlini@oracle.com>
 
@@ -34,7 +34,7 @@ void test01()
   typedef istreambuf_iterator<char> iterator_type;
 
   // basic construction
-  locale loc("ru_RU.UTF8");
+  locale loc("ru_RU.UTF-8");
 
   // create an ostream-derived object, cache the time_get facet
   iterator_type end;
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/wrapped_env.cc
index e7a40edc897..3f3ec38f0f3 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/wrapped_locale.cc
index 0853219a1d9..742a5b9339c 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/char/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/2.cc
index 47102a3e521..d557c18eb9a 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,8 +35,8 @@ void test02()
 
   // basic construction and sanity checks.
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
-  locale loc_de = locale("de_DE");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_hk != loc_c );
   VERIFY( loc_hk != loc_de );
 
@@ -54,7 +54,7 @@ void test02()
   // create "C" time objects
   const tm time_bday = __gnu_test::test_tm(0, 0, 12, 4, 3, 71, 0, 93, 0);
 
-  // inspection of named locales, de_DE
+  // inspection of named locales, de_DE.ISO8859-15
   iss.imbue(loc_de);
   iss.str(L"Sonntag");
   iterator_type is_it10(iss);
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_env.cc
index e1789beda11..5102a79dd14 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_env.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,6 +43,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_locale.cc
index 691253d2235..896d5982db2 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_weekday/wchar_t/wrapped_locale.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -44,6 +44,6 @@ int main()
   two.push_back(&test01);
   two.push_back(&test02);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_year/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_year/char/wrapped_env.cc
index 85cb3de61eb..4fe83399ec1 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_year/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_year/char/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_year/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_year/char/wrapped_locale.cc
index d7b5b1886d9..57e2bc85026 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_year/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_year/char/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_year/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_year/wchar_t/wrapped_env.cc
index 85cb3de61eb..4fe83399ec1 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_year/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_year/wchar_t/wrapped_env.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test03);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_get/get_year/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_get/get_year/wchar_t/wrapped_locale.cc
index d7b5b1886d9..57e2bc85026 100644
--- a/libstdc++-v3/testsuite/22_locale/time_get/get_year/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_get/get_year/wchar_t/wrapped_locale.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,6 +37,6 @@ int main()
   func_callback two;
   two.push_back(&test01);
   two.push_back(&test03);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/17038.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/17038.cc
index 84523248dca..f9a2557df33 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/17038.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/17038.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ta_IN" }
+// { dg-require-namedlocale "ta_IN.UTF-8" }
 
 // 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
 
@@ -38,7 +38,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_in = locale("ta_IN");
+  locale loc_in = locale("ta_IN.UTF-8");
   VERIFY( loc_in != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
@@ -51,7 +51,7 @@ void test01()
   string result1 = oss.str();
 
   char time_buffer[128];
-  setlocale(LC_ALL, "ta_IN");
+  setlocale(LC_ALL, "ta_IN.UTF-8");
   VERIFY( strftime(time_buffer, 128, "%c", &time1) );
   
   VERIFY( result1 == time_buffer );
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/2.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/2.cc
index 42aa63590d5..c120be5ec47 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,7 +37,7 @@ void test02()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_de != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/3.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/3.cc
index 3aa6f68dcd4..ff567f271a6 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,7 +37,7 @@ void test03()
 
   // basic construction and sanity check.
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_hk != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/4.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/4.cc
index 82b8cc6b22a..5fe87460b88 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/4.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/4.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "es_ES" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,7 +37,7 @@ void test04()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_es = locale("es_ES");
+  locale loc_es = locale(ISO_8859(15,es_ES));
   VERIFY( loc_es != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/6.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/6.cc
index 704610d3435..b2d308d61d4 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/6.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/6.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,7 +40,7 @@ void test06()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_de != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/7.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/7.cc
index 1a1775634cb..77e1a5fc217 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/7.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/7.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,7 +40,7 @@ void test07()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_hk != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/8.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/8.cc
index 840b504d7a9..ea86b4aba34 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/8.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/8.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "fr_FR@euro" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,7 +40,7 @@ void test08()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_fr = locale("fr_FR@euro");
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
   VERIFY( loc_fr != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/9780-1.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/9780-1.cc
index 012244c18eb..4e5a2944a28 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/9780-1.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/9780-1.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "es_ES" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
 
 // Copyright (C) 2004-2015 Free Software Foundation, Inc.
 //
@@ -27,8 +27,8 @@ int main()
   using namespace std;
 
   bool test __attribute__((unused)) = true;
-  locale l1 = locale("de_DE");
-  locale l2 = locale("es_ES");
+  locale l1 = locale(ISO_8859(15,de_DE));
+  locale l2 = locale(ISO_8859(15,es_ES));
   
   const time_put<char> &tp = use_facet<time_put<char> >(l1);  
   ostringstream oss;
@@ -104,7 +104,7 @@ The problems with the first approach, as above, are numerous.
 
 /*
 With GCC/libstdc++, the output of the program with the arguments
-of de_DE es_ES is:
+of de_DE.ISO8859-15 es_ES is:
      domingo
      lunes
      martes
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/wrapped_env.cc
index cedfadd82bb..e3ddf588714 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/wrapped_env.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "es_ES" }
-// { dg-require-namedlocale "fr_FR@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -80,6 +80,6 @@ int main()
   two.push_back(&test08);
   two.push_back(&test09);
   two.push_back(&test10);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/char/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/char/wrapped_locale.cc
index af9583365ec..0ee4db510ce 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/char/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/char/wrapped_locale.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "es_ES" }
-// { dg-require-namedlocale "fr_FR@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -80,6 +80,6 @@ int main()
   two.push_back(&test08);
   two.push_back(&test09);
   two.push_back(&test10);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/17038.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/17038.cc
index 2b2cd531a41..2580b4c5961 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/17038.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/17038.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "ta_IN" }
+// { dg-require-namedlocale "ta_IN.UTF-8" }
 
 // 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
 
@@ -38,7 +38,7 @@ void test01()
 
   // basic construction
   locale loc_c = locale::classic();
-  locale loc_in = locale("ta_IN");
+  locale loc_in = locale("ta_IN.UTF-8");
   VERIFY( loc_in != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
@@ -51,7 +51,7 @@ void test01()
   wstring result1 = oss.str();
 
   wchar_t time_buffer[128];
-  setlocale(LC_ALL, "ta_IN");
+  setlocale(LC_ALL, "ta_IN.UTF-8");
   VERIFY( wcsftime(time_buffer, 128, L"%c", &time1) );
   
   VERIFY( result1 == time_buffer );
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/2.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/2.cc
index f2d0bd8f3e2..0605ba419a8 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,7 +37,7 @@ void test02()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_de != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/3.cc
index 6fa664aa4d1..76eb05346b9 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/3.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/3.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,7 +37,7 @@ void test03()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_hk != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/4.cc
index a6e4b634fd9..11cdf804539 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/4.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/4.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "es_ES" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -37,7 +37,7 @@ void test04()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_es = locale("es_ES");
+  locale loc_es = locale(ISO_8859(15,es_ES));
   VERIFY( loc_es != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/6.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/6.cc
index 062c218264f..b9629084b8e 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/6.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/6.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,7 +40,7 @@ void test06()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   VERIFY( loc_de != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/7.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/7.cc
index eaf49fc44a8..0749172b9af 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/7.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/7.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_HK" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,7 +40,7 @@ void test07()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_hk = locale("en_HK");
+  locale loc_hk = locale(ISO_8859(1,en_HK));
   VERIFY( loc_hk != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/8.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/8.cc
index fad15ee7119..62a4eddfc79 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/8.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/8.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "fr_FR@euro" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2001-09-17 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -40,7 +40,7 @@ void test08()
 
   // basic construction and sanity check
   locale loc_c = locale::classic();
-  locale loc_fr = locale("fr_FR@euro");
+  locale loc_fr = locale(ISO_8859(15,fr_FR));
   VERIFY( loc_fr != loc_c );
 
   // create an ostream-derived object, cache the time_put facet
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/wrapped_env.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/wrapped_env.cc
index cedfadd82bb..e3ddf588714 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/wrapped_env.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/wrapped_env.cc
@@ -1,7 +1,7 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "es_ES" }
-// { dg-require-namedlocale "fr_FR@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -80,6 +80,6 @@ int main()
   two.push_back(&test08);
   two.push_back(&test09);
   two.push_back(&test10);
-  run_tests_wrapped_env("de_DE", "LANG", two);
+  run_tests_wrapped_env(ISO_8859(15,de_DE), "LANG", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/wrapped_locale.cc b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/wrapped_locale.cc
index bb9170772e7..5695dacad94 100644
--- a/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/wrapped_locale.cc
+++ b/libstdc++-v3/testsuite/22_locale/time_put/put/wchar_t/wrapped_locale.cc
@@ -1,8 +1,8 @@
-// { dg-require-namedlocale "de_DE" }
-// { dg-require-namedlocale "en_HK" }
-// { dg-require-namedlocale "es_ES" }
-// { dg-require-namedlocale "fr_FR@euro" }
-// { dg-require-namedlocale "ja_JP.eucjp" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
+// { dg-require-namedlocale "en_HK.ISO8859-1" }
+// { dg-require-namedlocale "es_ES.ISO8859-15" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "ja_JP.eucJP" }
 
 // 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -81,6 +81,6 @@ int main()
   two.push_back(&test08);
   two.push_back(&test09);
   two.push_back(&test10);
-  run_tests_wrapped_locale("ja_JP.eucjp", two);
+  run_tests_wrapped_locale("ja_JP.eucJP", two);
   return 0;
 }
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13007.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13007.cc
index 9f2b65bbeaf..2fbfae316af 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13007.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13007.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -46,7 +46,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   Buf buf;
-  std::locale loc(std::locale("fr_FR"));
+  std::locale loc(std::locale(ISO_8859(15,fr_FR)));
 
   buf.pubimbue(loc);
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-1.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-1.cc
index db3c0745878..7647defecb7 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -31,8 +31,8 @@ void test01()
 
   filebuf fb;
   
-  fb.pubimbue(locale("en_US"));
-  fb.pubimbue(locale("en_US"));
+  fb.pubimbue(locale(ISO_8859(1,en_US)));
+  fb.pubimbue(locale(ISO_8859(1,en_US)));
   
   fb.open("tmp_13171-1", ios_base::out);
   fb.sputc('F');
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc
index 3eef707b861..19ad9fb145d 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 // { dg-require-fork "" }
 // { dg-require-mkfifo "" }
 
@@ -41,8 +41,8 @@ bool test01()
   using namespace std;
   using namespace __gnu_test;
 
-  locale loc_fr(locale("fr_FR"));
-  locale loc_en(locale("en_US"));
+  locale loc_fr(locale(ISO_8859(15,fr_FR)));
+  locale loc_en(locale(ISO_8859(1,en_US)));
 
   const char* name = "tmp_fifo_13171-2";
   unlink(name);
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-4.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-4.cc
index 685302c9ab2..0d9cc8eea55 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-4.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-4.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -41,9 +41,9 @@ void test01()
   using namespace std;
 
   filebuf fb;
-  fb.pubimbue(locale(locale("en_US"), new Cvt));
+  fb.pubimbue(locale(locale(ISO_8859(1,en_US)), new Cvt));
   fb.open("tmp_13171-4", ios_base::out);
-  fb.pubimbue(locale("fr_FR"));
+  fb.pubimbue(locale(ISO_8859(15,fr_FR)));
   fb.sputc('N');
   fb.pubsync();
   fb.close();
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc
index fb2cd2aed94..165cba11147 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13582-2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 // { dg-require-fork "" }
 // { dg-require-mkfifo "" }
 
@@ -41,8 +41,8 @@ void test01()
   using namespace std; 
   using namespace __gnu_test;
 
-  locale loc_en(locale("en_US"));
-  locale loc_fr(locale("fr_FR"));
+  locale loc_en(locale(ISO_8859(1,en_US)));
+  locale loc_fr(locale(ISO_8859(15,fr_FR)));
 
   const char* name = "tmp_fifo_13582-2";
   unlink(name);
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/14975-1.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/14975-1.cc
index e5aae9ff85f..3a65a99b6fa 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/14975-1.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/14975-1.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // 2004-04-16  Petur Runolfsson  <peturr02@ru.is>
 
@@ -43,7 +43,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   Buf fb;
-  locale loc_us = locale("en_US");
+  locale loc_us = locale(ISO_8859(1,en_US));
   fb.pubimbue(loc_us);
   fb.open("tmp_14975-1", ios_base::out);
   
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/2.cc
index 07776b8a1dc..d5bc14b05d8 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-05-13 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,7 +43,7 @@ void test02()
   VERIFY( p != bad);
 
   // According to 27.5.2.2.1, loc == getloc() after pubimbue(loc).
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   locale ret = ob.pubimbue(loc_de);
   VERIFY( ob.getloc() == loc_de );
 }
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/9322.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/9322.cc
index 27abe85184b..27eecb33467 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/9322.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/9322.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -36,10 +36,10 @@ void test07()
   std::filebuf ob;
   VERIFY( ob.getloc() == loc );
 
-  locale::global(locale("en_US"));
+  locale::global(locale(ISO_8859(1,en_US)));
   VERIFY( ob.getloc() == loc );
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   locale ret = ob.pubimbue(loc_de);
   VERIFY( ob.getloc() == loc_de );
   VERIFY( ret == loc );
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13007.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13007.cc
index 0502e912c27..9d33dfb5044 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13007.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13007.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -46,7 +46,7 @@ void test01()
   bool test __attribute__((unused)) = true;
 
   Buf buf;
-  std::locale loc(std::locale("fr_FR"));
+  std::locale loc(std::locale(ISO_8859(15,fr_FR)));
 
   buf.pubimbue(loc);
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13171-3.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13171-3.cc
index f71a385ce85..3ca37bad495 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13171-3.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13171-3.cc
@@ -1,6 +1,6 @@
-// { dg-require-namedlocale "fr_FR" }
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -31,19 +31,19 @@ void test01()
   bool test __attribute__((unused)) = true;
   using namespace std;
 
-  locale::global(locale("fr_FR"));
+  locale::global(locale(ISO_8859(15,fr_FR)));
 
   ios_base::sync_with_stdio(false);
 
-  locale::global(locale("en_US"));
-  cin.imbue(locale("en_US"));
-  cout.imbue(locale("en_US"));
-  cerr.imbue(locale("en_US"));
-  clog.imbue(locale("de_DE"));
-  wcin.imbue(locale("en_US"));
-  wcout.imbue(locale("en_US"));
-  wcerr.imbue(locale("en_US"));
-  wclog.imbue(locale("de_DE"));
+  locale::global(locale(ISO_8859(1,en_US)));
+  cin.imbue(locale(ISO_8859(1,en_US)));
+  cout.imbue(locale(ISO_8859(1,en_US)));
+  cerr.imbue(locale(ISO_8859(1,en_US)));
+  clog.imbue(locale(ISO_8859(15,de_DE)));
+  wcin.imbue(locale(ISO_8859(1,en_US)));
+  wcout.imbue(locale(ISO_8859(1,en_US)));
+  wcerr.imbue(locale(ISO_8859(1,en_US)));
+  wclog.imbue(locale(ISO_8859(15,de_DE)));
  
   cout << 'f' << endl;
   cerr << 'r' << endl;
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc
index cb44bdfc39d..5982f28d124 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-2.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 // { dg-require-fork "" }
 // { dg-require-mkfifo "" }
 
@@ -41,8 +41,8 @@ void test01()
   using namespace std;
   using namespace __gnu_test;
 
-  locale loc_en(locale("en_US"));
-  locale loc_fr(locale("fr_FR"));
+  locale loc_en(locale(ISO_8859(1,en_US)));
+  locale loc_fr(locale(ISO_8859(15,fr_FR)));
 
   const char* name = "tmp_fifo_13582-2";
   unlink(name);
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-3.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-3.cc
index 169f2409fed..2f46d9c0114 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-3.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/13582-3.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "fr_FR" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "fr_FR.ISO8859-15" }
 
 // 2004-01-11  Petur Runolfsson  <peturr02@ru.is>
 
@@ -32,8 +32,8 @@ void test01()
   bool test __attribute__((unused)) = true;
   using namespace std;
 
-  locale loc_en(locale("en_US"));
-  locale loc_fr(locale("fr_FR"));
+  locale loc_en(locale(ISO_8859(1,en_US)));
+  locale loc_fr(locale(ISO_8859(15,fr_FR)));
 
   const char* name = "tmp_13582-3.tst";
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc
index b3b08ad38e4..85984b29f87 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/14975-2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 // { dg-require-fork "" }
 // { dg-require-mkfifo "" }
 
@@ -42,7 +42,7 @@ bool test01()
   using namespace __gnu_test;
   bool test __attribute__((unused)) = true;
 
-  locale loc_us = locale("en_US");
+  locale loc_us = locale(ISO_8859(1,en_US));
 
   const char* name = "tmp_14975-2";
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/2.cc
index 8c663da964e..3a6650d5d52 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-05-13 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -43,7 +43,7 @@ void test02()
   VERIFY( p != bad);
 
   // According to 27.5.2.2.1, p1, loc == getloc() after pubimbue(loc).
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   locale ret = ob.pubimbue(loc_de);
   VERIFY( ob.getloc() == loc_de );
 }
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/9322.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/9322.cc
index 6b15839bf4d..9e17218883d 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/9322.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/wchar_t/9322.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -36,10 +36,10 @@ void test07()
   std::wfilebuf ob;
   VERIFY( ob.getloc() == loc );
 
-  locale::global(locale("en_US"));
+  locale::global(locale(ISO_8859(1,en_US)));
   VERIFY( ob.getloc() == loc );
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   locale ret = ob.pubimbue(loc_de);
   VERIFY( ob.getloc() == loc_de );
   VERIFY( ret == loc );
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/9520.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/9520.cc
index 297bdcad7bd..6e3e56fa6ef 100644
--- a/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/9520.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/underflow/wchar_t/9520.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE.ISO-8859-15@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-05-03  Petur Runolfsson <peturr02@ru.is>
 
@@ -36,7 +36,7 @@ void test01()
     putc(static_cast<unsigned char>(i), file);
   fclose(file);
 
-  locale loc (locale("de_DE.ISO-8859-15@euro"));
+  locale loc (locale(ISO_8859(15,de_DE)));
   wchar_t buf[1];
   wfilebuf fb;
   fb.pubimbue(loc);
diff --git a/libstdc++-v3/testsuite/27_io/basic_ios/copyfmt/char/2.cc b/libstdc++-v3/testsuite/27_io/basic_ios/copyfmt/char/2.cc
index 61cf9fe312c..d7cd719d820 100644
--- a/libstdc++-v3/testsuite/27_io/basic_ios/copyfmt/char/2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_ios/copyfmt/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 1999-09-20 bkoz
 
@@ -36,7 +36,7 @@ void test03()
   typedef std::ios_base::fmtflags fmtflags;
   typedef std::ios_base::iostate iostate;
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   std::ios ios_01(0);
   std::ios ios_02(0);
   ios_01.imbue(loc_c);
diff --git a/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/2.cc b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/2.cc
index 666b672d3a8..306cd60d436 100644
--- a/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 1999-11-15 Kevin Ediger  <kediger@licor.com>
 // test the floating point inserters (facet num_put)
@@ -42,7 +42,7 @@ test02()
   os2.setf(ios::fixed);
 
   // Check it can be done in a locale with grouping on.
-  locale loc2 = locale("de_DE");
+  locale loc2 = locale(ISO_8859(15,de_DE));
   os2.imbue(loc2);
   os2 << fixed << setprecision(3) << val2 << endl;
   os2 << endl;
diff --git a/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/2.cc b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/2.cc
index da1e13d0120..a88d4811c20 100644
--- a/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // Copyright (C) 2005-2015 Free Software Foundation, Inc.
 //
@@ -39,7 +39,7 @@ test02()
   os2.setf(wios::fixed);
 
   // Check it can be done in a locale with grouping on.
-  locale loc2 = locale("de_DE");
+  locale loc2 = locale(ISO_8859(15,de_DE));
   os2.imbue(loc2);
   os2 << fixed << setprecision(3) << val2 << endl;
   os2 << endl;
diff --git a/libstdc++-v3/testsuite/27_io/basic_streambuf/cons/57394.cc b/libstdc++-v3/testsuite/27_io/basic_streambuf/cons/57394.cc
index afea72c7176..624fe727298 100644
--- a/libstdc++-v3/testsuite/27_io/basic_streambuf/cons/57394.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_streambuf/cons/57394.cc
@@ -16,7 +16,7 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-options "-std=gnu++11" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 27.6.3 template class basic_streambuf
 
@@ -105,7 +105,7 @@ void streambuf::test_swap() const
 
 int main()
 {
-  std::locale loc("de_DE");
+  std::locale loc(ISO_8859(15,de_DE));
   streambuf s(loc);
   s.test_copy();
   s.test_assign();
diff --git a/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/char/13007-2.cc b/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/char/13007-2.cc
index f7b069a97e3..6567615b021 100644
--- a/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/char/13007-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/char/13007-2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -46,7 +46,7 @@ void test02()
   bool test __attribute__((unused)) = true;
 
   Buf2 buf;
-  std::locale loc(std::locale("en_US"));
+  std::locale loc(std::locale(ISO_8859(1,en_US)));
 
   buf.pubimbue(loc);
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/char/9322.cc b/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/char/9322.cc
index 70a65f4982a..00e89322e9a 100644
--- a/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/char/9322.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/char/9322.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 1999-10-11 bkoz
 
@@ -45,10 +45,10 @@ void test08()
   testbuf ob;
   VERIFY( ob.getloc() == loc );
 
-  locale::global(locale("en_US"));
+  locale::global(locale(ISO_8859(1,en_US)));
   VERIFY( ob.getloc() == loc );
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   locale ret = ob.pubimbue(loc_de);
   VERIFY( ob.getloc() == loc_de );
   VERIFY( ret == loc );
diff --git a/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/13007-2.cc b/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/13007-2.cc
index 87293b0977c..56176c1a853 100644
--- a/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/13007-2.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/13007-2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "en_US" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
 
 // Copyright (C) 2003-2015 Free Software Foundation, Inc.
 //
@@ -46,7 +46,7 @@ void test02()
   bool test __attribute__((unused)) = true;
 
   Buf2 buf;
-  std::locale loc(std::locale("en_US"));
+  std::locale loc(std::locale(ISO_8859(1,en_US)));
 
   buf.pubimbue(loc);
 
diff --git a/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/9322.cc b/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/9322.cc
index 23528cecade..f5f5cd89e9e 100644
--- a/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/9322.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_streambuf/imbue/wchar_t/9322.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 1999-10-11 bkoz
 
@@ -45,10 +45,10 @@ void test08()
   testbuf ob;
   VERIFY( ob.getloc() == loc );
 
-  locale::global(locale("en_US"));
+  locale::global(locale(ISO_8859(1,en_US)));
   VERIFY( ob.getloc() == loc );
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   locale ret = ob.pubimbue(loc_de);
   VERIFY( ob.getloc() == loc_de );
   VERIFY( ret == loc );
diff --git a/libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/char/9322.cc b/libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/char/9322.cc
index 9770cb63901..e2ac91afb64 100644
--- a/libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/char/9322.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/char/9322.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,10 +35,10 @@ void test03()
   std::stringbuf ob;
   VERIFY( ob.getloc() == loc );
 
-  locale::global(locale("en_US"));
+  locale::global(locale(ISO_8859(1,en_US)));
   VERIFY( ob.getloc() == loc );
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   locale ret = ob.pubimbue(loc_de);
   VERIFY( ob.getloc() == loc_de );
   VERIFY( ret == loc );
diff --git a/libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/wchar_t/9322.cc b/libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/wchar_t/9322.cc
index ca5b4995b5b..ae32971c05b 100644
--- a/libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/wchar_t/9322.cc
+++ b/libstdc++-v3/testsuite/27_io/basic_stringbuf/imbue/wchar_t/9322.cc
@@ -1,5 +1,5 @@
-// { dg-require-namedlocale "en_US" }
-// { dg-require-namedlocale "de_DE" }
+// { dg-require-namedlocale "en_US.ISO8859-1" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2001-05-21 Benjamin Kosnik  <bkoz@redhat.com>
 
@@ -35,10 +35,10 @@ void test03()
   std::wstringbuf ob;
   VERIFY( ob.getloc() == loc );
 
-  locale::global(locale("en_US"));
+  locale::global(locale(ISO_8859(1,en_US)));
   VERIFY( ob.getloc() == loc );
 
-  locale loc_de = locale("de_DE");
+  locale loc_de = locale(ISO_8859(15,de_DE));
   locale ret = ob.pubimbue(loc_de);
   VERIFY( ob.getloc() == loc_de );
   VERIFY( ret == loc );
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_money/char/1.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_money/char/1.cc
index 4347557b06e..8514eaefd7b 100644
--- a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_money/char/1.cc
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_money/char/1.cc
@@ -1,5 +1,5 @@
 // { dg-options "-std=gnu++11" }
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-1" }
 
 // 2010-03-01  Paolo Carlini  <paolo.carlini@oracle.com>
 
@@ -28,7 +28,7 @@ void test01()
 {
   bool test __attribute__((unused)) = true;
 
-  std::locale loc_de = std::locale("de_DE@euro");
+  std::locale loc_de = std::locale(ISO_8859(15,de_DE));
 
   std::istringstream iss;
   iss.imbue(loc_de);
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_money/wchar_t/1.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_money/wchar_t/1.cc
index 054dea9e4aa..ee54d3fc733 100644
--- a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_money/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_money/wchar_t/1.cc
@@ -1,5 +1,5 @@
 // { dg-options "-std=gnu++11" }
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2010-03-01  Paolo Carlini  <paolo.carlini@oracle.com>
 
@@ -28,7 +28,7 @@ void test01()
 {
   bool test __attribute__((unused)) = true;
 
-  std::locale loc_de = std::locale("de_DE@euro");
+  std::locale loc_de = std::locale(ISO_8859(15,de_DE));
 
   std::wistringstream iss;
   iss.imbue(loc_de);
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/2.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/2.cc
index 527278fbca7..ecf097e23b7 100644
--- a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/2.cc
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE.utf8" }
+// { dg-require-namedlocale "de_DE.UTF-8" }
 // { dg-options " -std=gnu++11 " }
 
 // 2014-04-14 Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
@@ -32,7 +32,7 @@ void test01()
   using namespace std;
   bool test __attribute__((unused)) = true;
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE.utf8");
+  locale loc_de = locale("de_DE.UTF-8");
   VERIFY( loc_de != loc_c );
   istringstream iss;
   iss.imbue(loc_de);
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc
index ec109605f7d..cf8dd1c170e 100644
--- a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE.utf8" }
+// { dg-require-namedlocale "de_DE.UTF-8" }
 // { dg-options " -std=gnu++11 " }
 
 // 2014-04-14 Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
@@ -33,7 +33,7 @@ void test01()
   using namespace std;
   bool test __attribute__((unused)) = true;
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE.utf8");
+  locale loc_de = locale("de_DE.UTF-8");
   VERIFY( loc_de != loc_c );
   wistringstream iss;
   iss.imbue(loc_de);
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/put_money/char/1.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/put_money/char/1.cc
index e01ccba09d4..b4e20928435 100644
--- a/libstdc++-v3/testsuite/27_io/manipulators/extended/put_money/char/1.cc
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/put_money/char/1.cc
@@ -1,5 +1,5 @@
 // { dg-options "-std=gnu++11" }
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2010-03-01  Paolo Carlini  <paolo.carlini@oracle.com>
 
@@ -28,7 +28,7 @@ void test01()
 {
   bool test __attribute__((unused)) = true;
 
-  std::locale loc_de = std::locale("de_DE@euro");
+  std::locale loc_de = std::locale(ISO_8859(15,de_DE));
 
   std::ostringstream oss;
   oss.imbue(loc_de);
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/put_money/wchar_t/1.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/put_money/wchar_t/1.cc
index f39e854164e..d67570ab350 100644
--- a/libstdc++-v3/testsuite/27_io/manipulators/extended/put_money/wchar_t/1.cc
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/put_money/wchar_t/1.cc
@@ -1,5 +1,5 @@
 // { dg-options "-std=gnu++11" }
-// { dg-require-namedlocale "de_DE@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2010-03-01  Paolo Carlini  <paolo.carlini@oracle.com>
 
@@ -28,7 +28,7 @@ void test01()
 {
   bool test __attribute__((unused)) = true;
 
-  std::locale loc_de = std::locale("de_DE@euro");
+  std::locale loc_de = std::locale(ISO_8859(15,de_DE));
 
   std::wostringstream oss;
   oss.imbue(loc_de);
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/put_time/char/2.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/put_time/char/2.cc
index 25cf6c46b79..82a92e31e47 100644
--- a/libstdc++-v3/testsuite/27_io/manipulators/extended/put_time/char/2.cc
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/put_time/char/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE.utf8" }
+// { dg-require-namedlocale "de_DE.UTF-8" }
 // { dg-options " -std=gnu++11 " }
 
 // 2014-04-14 Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
@@ -32,7 +32,7 @@ void test01()
   using namespace std;
   bool test __attribute__((unused)) = true;
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE.utf8");
+  locale loc_de = locale("de_DE.UTF-8");
   VERIFY( loc_de != loc_c );
   ostringstream oss;
   oss.imbue(loc_de);
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/put_time/wchar_t/2.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/put_time/wchar_t/2.cc
index 44521fc5ed0..dafa83580a7 100644
--- a/libstdc++-v3/testsuite/27_io/manipulators/extended/put_time/wchar_t/2.cc
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/put_time/wchar_t/2.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE.utf8" }
+// { dg-require-namedlocale "de_DE.UTF-8" }
 // { dg-options " -std=gnu++11 " }
 
 // 2014-04-14 Rüdiger Sonderfeld  <ruediger@c-plusplus.de>
@@ -32,7 +32,7 @@ void test01()
   using namespace std;
   bool test __attribute__((unused)) = true;
   locale loc_c = locale::classic();
-  locale loc_de = locale("de_DE.utf8");
+  locale loc_de = locale("de_DE.UTF-8");
   VERIFY( loc_de != loc_c );
   wostringstream oss;
   oss.imbue(loc_de);
diff --git a/libstdc++-v3/testsuite/27_io/objects/wchar_t/13582-1_xin.cc b/libstdc++-v3/testsuite/27_io/objects/wchar_t/13582-1_xin.cc
index 47a419f2e0d..4fd1bfae023 100644
--- a/libstdc++-v3/testsuite/27_io/objects/wchar_t/13582-1_xin.cc
+++ b/libstdc++-v3/testsuite/27_io/objects/wchar_t/13582-1_xin.cc
@@ -36,13 +36,13 @@ void test01()
   if (wcin.get(c) && !isspace(c, wcin.getloc()))
     {
       str.push_back(c);
-      wcin.imbue(locale("en_US"));
+      wcin.imbue(locale(ISO_8859(1,en_US)));
     }
 
   if (wcin.get(c) && !isspace(c, wcin.getloc()))
     {
       str.push_back(c);
-      wcin.imbue(locale("fr_FR"));
+      wcin.imbue(locale(ISO_8859(15,fr_FR)));
     }
 
   while (wcin.get(c) && !isspace(c, wcin.getloc()))
diff --git a/libstdc++-v3/testsuite/27_io/objects/wchar_t/9520.cc b/libstdc++-v3/testsuite/27_io/objects/wchar_t/9520.cc
index e2412e4996c..94d3415bc9b 100644
--- a/libstdc++-v3/testsuite/27_io/objects/wchar_t/9520.cc
+++ b/libstdc++-v3/testsuite/27_io/objects/wchar_t/9520.cc
@@ -1,4 +1,4 @@
-// { dg-require-namedlocale "de_DE.ISO-8859-15@euro" }
+// { dg-require-namedlocale "de_DE.ISO8859-15" }
 
 // 2003-04-30  Petur Runolfsson <peturr02@ru.is>
 
@@ -35,7 +35,7 @@ void test01()
     putc(static_cast<unsigned char>(i), file);
   fclose(file);
 
-  locale loc (locale("de_DE.ISO-8859-15@euro"));
+  locale loc (locale(ISO_8859(15,de_DE)));
   locale::global(loc); // Set locale for stdin
 
   VERIFY( freopen(name, "r", stdin) );
diff --git a/libstdc++-v3/testsuite/lib/libstdc++.exp b/libstdc++-v3/testsuite/lib/libstdc++.exp
index 6a62dfd7271..f5528a02e96 100644
--- a/libstdc++-v3/testsuite/lib/libstdc++.exp
+++ b/libstdc++-v3/testsuite/lib/libstdc++.exp
@@ -895,7 +895,7 @@ proc check_v3_target_time { } {
 
 proc check_v3_target_namedlocale { args } {
     global et_namedlocale
-    global tool	
+    global tool
 
     set et_namedlocale 0
 
@@ -909,24 +909,41 @@ proc check_v3_target_namedlocale { args } {
       set f [open $src "w"]
       puts $f "#include <locale>"
       puts $f "#include <cstdio>"
-      puts $f "using namespace std;"	
+      puts $f "#include <cstring>"
+      puts $f "using namespace std;"
+      puts $f "char *transform_locale(const char *name)"
+      puts $f "{"
+      puts $f "    char *result = new char\[50\];"
+      puts $f "    strcpy(result, name);"
+      puts $f "#if defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__"
+      puts $f "    /* fall-through */"
+      puts $f "#else"
+      puts $f "    if (strstr(result, \"ISO8859-15\")) {"
+      puts $f "        strcat(result, \"@euro\");"
+      puts $f "    }"
+      puts $f "#endif"
+      puts $f "    return result;"
+      puts $f "}"
       puts $f "int main (int argc, char** argv)"
       puts $f "{"
       puts $f "  if (argc < 2)"
       puts $f "  {"
       puts $f "    printf(\"locale support test not supported\\n\");"
       puts $f "    return 1;"
-      puts $f "  }"	
-      puts $f "  try"	
+      puts $f "  }"
+      puts $f "  const char *namedloc = transform_locale(*(argv + 1));"
+      puts $f "  try"
       puts $f "  {"
-      puts $f "    locale(*(argv + 1));"
+      puts $f "    locale((const char*)namedloc);"
+      puts $f "    delete namedloc;"
       puts $f "    return 0;"
       puts $f "  }"
       puts $f "  catch(...)"
       puts $f "  {"
-      puts $f "    printf(\"locale '%s' not supported\\n\", *(argv + 1));"
+      puts $f "    printf(\"locale '%s' not supported\\n\", namedloc);"
+      puts $f "    delete namedloc;"
       puts $f "    return 1;"
-      puts $f "  }"	
+      puts $f "  }"
       puts $f "}"
       close $f
 
diff --git a/libstdc++-v3/testsuite/util/testsuite_hooks.h b/libstdc++-v3/testsuite/util/testsuite_hooks.h
index d0c8b1d6bfd..0d8afbd2a3f 100644
--- a/libstdc++-v3/testsuite/util/testsuite_hooks.h
+++ b/libstdc++-v3/testsuite/util/testsuite_hooks.h
@@ -67,6 +67,13 @@
 # define unlink(x)
 #endif
 
+#if defined __FreeBSD__ || defined __DragonFly__ || defined __NetBSD__
+# define ISO_8859(part,langTERR) #langTERR ".ISO8859-" #part
+#else
+# define ISO_8859(part,langTERR) ((part) == 15 ?\
+         #langTERR ".ISO8859-" #part "@euro" : #langTERR ".ISO8859-" #part)
+#endif
+
 namespace __gnu_test
 {
   // All macros are defined in GLIBCXX_CONFIGURE_TESTSUITE and imported