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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17
10
11// <memory>
12
13// allocator:
14// T* allocate(size_t n);
15
16#include <memory>
17
18void f() {
19 std::allocator<int> a;
20 a.allocate(n: 3); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
21}
22

source code of libcxx/test/std/utilities/memory/default.allocator/allocator.members/allocate.verify.cpp