2005-04-26  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/21209
	* include/bits/locale_facets.tcc (_M_extract_int): Avoid signed
	integer overflow, always use a suited unsigned type in the main
	parsing loop.
	(struct __to_unsigned_type): New.
	* testsuite/22_locale/num_get/get/char/16.cc: New.
	* testsuite/22_locale/num_get/get/wchar_t/16.cc: Likewise.

From-SVN: r98768