2013-06-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/56019
	* include/c_global/cstddef (max_align_t): Add to namespace std.
	* include/c_std/cstddef: Likewise.
	* testsuite/18_support/max_align_t/requirements/1.cc: New.
	* testsuite/18_support/max_align_t/requirements/2.cc: Likewise.

From-SVN: r199945