@@ -170,19 +170,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
future<typename result_of<_Fn(_Args...)>::type>
async(launch __policy, _Fn&& __fn, _Args&&... __args);
- template<typename _FnCheck, typename _Fn, typename... _Args>
- struct __async_sfinae_helper
- {
- typedef future<typename result_of<_Fn(_Args...)>::type> type;
- };
-
template<typename _Fn, typename... _Args>
- struct __async_sfinae_helper<launch, _Fn, _Args...>
- { };
-
- template<typename _Fn, typename... _Args>
- typename
- __async_sfinae_helper<typename decay<_Fn>::type, _Fn, _Args...>::type
+ future<typename result_of<_Fn(_Args...)>::type>
async(_Fn&& __fn, _Args&&... __args);
#if defined(_GLIBCXX_HAS_GTHREADS) && defined(_GLIBCXX_USE_C99_STDINT_TR1) \
@@ -1509,8 +1498,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
/// async, potential overload
template<typename _Fn, typename... _Args>
- inline typename
- __async_sfinae_helper<typename decay<_Fn>::type, _Fn, _Args...>::type
+ inline future<typename result_of<_Fn(_Args...)>::type>
async(_Fn&& __fn, _Args&&... __args)
{
return async(launch::async|launch::deferred, std::forward<_Fn>(__fn),