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.creation/make_tuple.pass.cpp
+++ b/test/utilities/tuple/tuple.tuple/tuple.creation/make_tuple.pass.cpp
@@ -38,4 +38,13 @@ int main()
        assert(i == 0);
        assert(j == 0);
    }
+#if _LIBCPP_STD_VER > 11 
+    {
+    	constexpr auto t1 = std::make_tuple(0, 1, 3.14);
+        constexpr int i1 = std::get<1>(t1);
+        constexpr double d1 = std::get<2>(t1);
+        static_assert (i1 == 1, "" );
+        static_assert (d1 == 3.14, "" );
+    }
+#endif
 }