From b676d183f23cbee2c98b4097dc44f15372c1ec8b Mon Sep 17 00:00:00 2001
From: achabense <60953653+achabense@users.noreply.github.com>
Date: Wed, 13 Sep 2023 13:57:25 +0800
Subject: [PATCH] make c++14  compatible

---
 stl/inc/xutility | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/stl/inc/xutility b/stl/inc/xutility
index 8478b1ef22..459ac90054 100644
--- a/stl/inc/xutility
+++ b/stl/inc/xutility
@@ -542,7 +542,7 @@ template <class _Fx>
 struct _Ref_fn { // pass function object by value as a reference
     template <class... _Args>
     constexpr decltype(auto) operator()(_Args&&... _Vals) noexcept(
-        is_nothrow_invocable_v<_Fx&, _Args&&...>) { // forward function call operator
+        _Select_invoke_traits<_Fx&, _Args...>::_Is_nothrow_invocable::value) { // forward function call operator
         if constexpr (is_member_pointer_v<_Fx>) {
             return _STD invoke(_Fn, _STD forward<_Args>(_Vals)...);
         } else {