diff --git a/runtime/llvm-type_traits.h b/runtime/llvm-type_traits.h
index abcce7e..ca30034 100644
--- a/runtime/llvm-type_traits.h
+++ b/runtime/llvm-type_traits.h
@@ -90,7 +90,7 @@ template<typename T> union copy_construction_triviality_helper {
 template<typename T> union move_construction_triviality_helper {
     T t;
     move_construction_triviality_helper() = default;
-    move_construction_triviality_helper(move_construction_triviality_helper&&) = default;
+    move_construction_triviality_helper(move_construction_triviality_helper&&)  noexcept = default;
     ~move_construction_triviality_helper() = default;
 };