Make tuple's constructor and std::get<>(tuple) constexpr. Final stage of fixing bug #16599. Thanks to Howard for the review and updates.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@186834 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-22 16:02:19 +00:00
parent 8fc4f5a251
commit da0a0e8a1b
13 changed files with 263 additions and 56 deletions
--- a/test/utilities/tuple/tuple.tuple/tuple.rel/eq.pass.cpp
+++ b/test/utilities/tuple/tuple.tuple/tuple.rel/eq.pass.cpp
@@ -141,4 +141,14 @@ int main()
        assert(!(t1 == t2));
        assert(t1 != t2);
    }
+#if _LIBCPP_STD_VER > 11 
+    {
+        typedef std::tuple<char, int, double> T1;
+        typedef std::tuple<double, char, int> T2;
+        constexpr T1 t1(1, 2, 3);
+        constexpr T2 t2(1.1, 3, 2);
+        static_assert(!(t1 == t2), "");
+        static_assert(t1 != t2, "");
+    }
+#endif
 }