2010-01-06 Paolo Carlini <paolo.carlini@oracle.com>

2010-01-06  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/26701
	* include/bits/locale_facets_nonio.tcc (time_get<>::_M_extract_num):
	Encode short two digits over four parsings to negative numbers.
	(time_get<>::_M_extract_via_format): Adjust, accept both two digits
	and four digits for both 'y' and 'Y'.
	(time_get<>::do_get_year): Call time_get<>::_M_extract_num.
	* doc/xml/manual/prerequisites.xml: Add en_GB.
	* testsuite/lib/libstdc++.exp: Adjust
	* testsuite/22_locale/time_get/get_date/char/26701.cc: New.
	* testsuite/22_locale/time_get/get_date/wchar_t/26701.cc: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155685 138bc75d-0d04-0410-961f-82ee72b054a4