2011-08-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/50119
	* include/bits/stl_algo.h (__copy_n(_InputIterator, _Size,
	_OutputIterator, input_iterator_tag)): Fix.
	* testsuite/25_algorithms/copy_n/50119.cc: New.

From-SVN: r177871