2012-10-11  Daniel Krugler  <daniel.kruegler@googlemail.com>

	* testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
	Update / extend.
	* testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
	Likewise.
	* testsuite/20_util/duration/requirements/sfinae_friendly_1.cc:
	Likewise.

From-SVN: r192352