Bug 16599 part 2: Make std::pair's constructors and comparison operators (and make_pair) constexpr.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@186430 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-16 17:45:44 +00:00
parent 01a0e90783
commit 206f6cdc33
8 changed files with 135 additions and 30 deletions
--- a/test/utilities/utility/pairs/pair.astuple/get_const.pass.cpp
+++ b/test/utilities/utility/pairs/pair.astuple/get_const.pass.cpp
@@ -26,4 +26,15 @@ int main()
        assert(std::get<0>(p) == 3);
        assert(std::get<1>(p) == 4);
    }
+
+#if __cplusplus > 201103L
+    {
+        typedef std::pair<int, short> P;
+        constexpr P p1(3, 4);
+        static_assert(p1.first == 3, "" ); // for now!
+        static_assert(p1.second == 4, "" ); // for now!
+//         static_assert(std::get<0>(p1) == 3, "");
+//         static_assert(std::get<1>(p1) == 4, "");
+    }
+#endif
 }