//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // UNSUPPORTED: libcpp-has-no-threads // UNSUPPORTED: c++98, c++03 // <future> // class packaged_task<R(ArgTypes...)> // template <class F, class Allocator> // packaged_task(allocator_arg_t, const Allocator& a, F&& f); // These constructors shall not participate in overload resolution if // decay<F>::type is the same type as std::packaged_task<R(ArgTypes...)>. #include <future> #include <cassert> #include "test_allocator.h" struct A {}; typedef std::packaged_task<A(int, char)> PT; typedef volatile std::packaged_task<A(int, char)> VPT; int main() { PT p { std::allocator_arg_t{}, test_allocator<A>{}, VPT {}}; // expected-error {{no matching constructor for initialization of 'PT' (aka 'packaged_task<A (int, char)>')}} // expected-note-re@future:* 1 {{candidate template ignored: {{(disabled by 'enable_if')|(requirement '.*' was not satisfied)}}}} }