2002-05-24  Phil Edwards  <pme@gcc.gnu.org>

	libstdc++/6282
	* include/std/std_bitset.h (_Base_biteset<0>):  New specialization.
	(operator>>):  If nothing was extracted, don't fail in the
	zero-length case.
	* testsuite/23_containers/bitset_ctor.cc (test02):  New test.

From-SVN: r53844