re PR libstdc++/40184 (locale(const char* std_name) can create invalid facets for nonuniform locale)

2009-05-19  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/40184
	* include/bits/locale_classes.h (locale::facet::_S_lc_ctype_c_locale):
	Declare...
	* config/locale/gnu/c_locale.cc: ... and define.
	* config/locale/generic/c_locale.cc: Define.
	* src/localename.cc (locale::_Impl::_Impl(const char*, size_t)):
	Use it.
	* testsuite/22_locale/locale/cons/40184.cc: New.

From-SVN: r147714