[libcxx] Mark most tuple tests UNSUPPORTED for c++03 and c++98.

Summary: No declaration for the type `tuple` is given in c++03 or c++98 modes. Mark all tests that use the actual `tuple` type as UNSUPPORTED.

Reviewers: jroelofs, mclow.lists, danalbert

Reviewed By: danalbert

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D5956

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@229808 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/utilities/tuple/tuple.tuple/tuple.cnstr/const_pair.pass.cpp

@@ -13,6 +13,8 @@
 
 // template <class U1, class U2> tuple(const pair<U1, U2>& u);
 
+// UNSUPPORTED: c++98, c++03
+
 #include <tuple>
 #include <utility>
 #include <cassert>