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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// 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(int, char**)
{
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)}}}}
return 0;
}
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