Mark the copy constructor and move

constructor to be constexpr. This only works when the contained type has a constexpr copy/move ctor.

llvm-svn: 303268

1 files changed, 6 insertions, 1 deletions

diff --git a/libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/move.pass.cpp b/libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/move.pass.cpp
index 9f23e9b4381..09aaa0561b5 100644
--- a/libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/move.pass.cpp
+++ b/libcxx/test/std/utilities/optional/optional.object/optional.object.ctor/move.pass.cpp
@@ -18,7 +18,7 @@
 
 // <optional>
 
-// optional(optional<T>&& rhs);
+// constexpr optional(optional<T>&& rhs);
 
 #include <optional>
 #include <type_traits>
@@ -206,4 +206,9 @@ int main()
     {
         test_reference_extension();
     }
+    {
+    constexpr std::optional<int> o1{4};
+    constexpr std::optional<int> o2 = std::move(o1);
+    static_assert( *o2 == 4, "" );
+    }
 }