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 #include <cassert>
18 
19 #include "test_macros.h"
20 
main(int,char **)21 int main(int, char**)
22 {
23     std::allocator<int> a;
24     a.allocate(3); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
25 
26     return 0;
27 }
28