optional: Use __and_<> and __not_<> in conditions.

optional: Use __and_<> and __not_<> in conditions.

2013-11-05  Jonathan Wakely  <jwakely.gcc@gmail.com>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	* include/experimental/optional: Use __and_<> and __not_<> in
	conditions. Style fixes.
	(__constexpr_addressof, swap): Make inline.
	* testsuite/experimental/optional/cons/copy.cc: Adjust constants for
	32-bit targets.
	* testsuite/experimental/optional/cons/move.cc: Likewise.
	* testsuite/experimental/optional/cons/value.cc: Likewise.
	* testsuite/experimental/optional/constexpr/cons/value.cc: Likewise.

Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>
From-SVN: r204402