Limit std::tuple tests to run for C++11 and later

	* testsuite/20_util/tuple/cons/66338.cc: Limit test to C++11 and
	later.
	* testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc:
	Likewise.

From-SVN: r238945

libstdc++-v3/ChangeLog

 2016-08-01  Jonathan Wakely  <jwakely@redhat.com>
 
+	* testsuite/20_util/tuple/cons/66338.cc: Limit test to C++11 and
+	later.
+	* testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc:
+	Likewise.
+
 	* testsuite/25_algorithms/lower_bound/debug/irreflexive.cc: Use
 	C++98-compatible initialization for array.
 

libstdc++-v3/testsuite/20_util/tuple/cons/66338.cc

@@ -15,6 +15,8 @@
 // with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.
 
+// { dg-do compile { target c++11 } }
+
 #include <tuple>
 
 struct S {

libstdc++-v3/testsuite/20_util/tuple/cons/element_accepts_anything_byval.cc

@@ -15,6 +15,8 @@
 // with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.
 
+// { dg-do compile { target c++11 } }
+
 #include <tuple>
 using namespace std;
 
@@ -27,4 +29,3 @@ int main() {
     tuple<Something> t1;
     tuple<Something> t2 = t1;
 }
-