bitset (bitset<>::bitset(unsigned long long), [...]): Add in C++0x mode.

2009-12-31  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/bitset (bitset<>::bitset(unsigned long long),
	_Base_bitset<>::_Base_bitset(unsigned long long)): Add
	in C++0x mode.
	* testsuite/23_containers/bitset/cons/3.cc: New.

From-SVN: r155539