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36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// UNSUPPORTED: libcpp-has-no-threads
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// UNSUPPORTED: c++98, c++03
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// <future>
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// class packaged_task<R(ArgTypes...)>
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// template <class F, class Allocator>
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// packaged_task(allocator_arg_t, const Allocator& a, F&& f);
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// These constructors shall not participate in overload resolution if
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// decay<F>::type is the same type as std::packaged_task<R(ArgTypes...)>.
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#include <future>
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#include <cassert>
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#include "test_allocator.h"
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struct A {};
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typedef std::packaged_task<A(int, char)> PT;
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typedef volatile std::packaged_task<A(int, char)> VPT;
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int main(int, char**)
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{
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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)>')}}
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// expected-note-re@future:* 1 {{candidate template ignored: {{(disabled by 'enable_if')|(requirement '.*' was not satisfied)}}}}
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return 0;
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}
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