<thread>: Avoid overflow in _To_absolute_time() (#5237)

Author: StephanTLavavej

stl/inc/thread

@@ -169,7 +169,7 @@ _NODISCARD auto _To_absolute_time(const chrono::duration<_Rep, _Period>& _Rel_ti
     const auto _Now                      = chrono::steady_clock::now();
     decltype(_Now + _Rel_time) _Abs_time = _Now; // return common type
     if (_Rel_time > _Zero) {
-        constexpr auto _Forever = (chrono::steady_clock::time_point::max)();
+        constexpr auto _Forever = (decltype(_Abs_time)::max)();
         if (_Abs_time < _Forever - _Rel_time) {
             _Abs_time += _Rel_time;
         } else {