third_party/llvm-project/libcxx/test/std/utilities/allocator.adaptor/allocator.adaptor.members/allocate_size.verify.cpp

//===----------------------------------------------------------------------===//
//
// 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: c++03, c++11, c++14, c++17

// <memory>

// template <class OuterAlloc, class... InnerAllocs>
//   class scoped_allocator_adaptor

// pointer allocate(size_type n);

#include <scoped_allocator>

#include "allocators.h"

void f() {
    std::scoped_allocator_adaptor<A1<int>> a;
    a.allocate(10);  // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
}