25 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <functional>10 11// UNSUPPORTED: c++03, c++11, c++1412 13// class function<R(ArgTypes...)>14 15// template<class A> function(allocator_arg_t, const A&);16//17// This signature was removed in C++1718 19#include <functional>20#include <memory>21 22void f() {23 std::function<int(int)> f(std::allocator_arg, std::allocator<int>()); // expected-error {{no matching constructor for initialization of}}24}25