utility (identity, [...]): Add.

utility (identity, [...]): Add.

2007-07-10  Paolo Carlini  <pcarlini@suse.de>

	* include/std/utility (identity, move, forward): Add.
	* testsuite/20_util/move/requirements/explicit_instantiation.cc: New.
	* testsuite/20_util/move/1.cc: New.
	* testsuite/20_util/identity/value.cc: New.
	* testsuite/20_util/identity/requirements/typedefs.cc: New.
	* testsuite/20_util/identity/requirements/explicit_instantiation.cc:
	New.
	* testsuite/20_util/forward/requirements/explicit_instantiation.cc:
	New.
	* testsuite/20_util/forward/1.cc: New.
	* testsuite/20_util/forward/1_neg.cc: New.

From-SVN: r126524