| 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 | |
|---|
| 18 | struct incomplete; |
|---|
| 19 | |
|---|
| 20 | void f() { |
|---|
| 21 | { |
|---|
| 22 | std::allocator<int> a; |
|---|
| 23 | a.allocate(n: 3); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
|---|
| 24 | } |
|---|
| 25 | { |
|---|
| 26 | std::allocator<void> a; |
|---|
| 27 | [[maybe_unused]] auto b = |
|---|
| 28 | a.allocate(3); // expected-error@*:* {{invalid application of 'sizeof' to an incomplete type 'void'}} |
|---|
| 29 | } |
|---|
| 30 | { |
|---|
| 31 | std::allocator<incomplete> a; |
|---|
| 32 | [[maybe_unused]] auto b = |
|---|
| 33 | a.allocate(n: 3); // expected-error@*:* {{invalid application of 'sizeof' to an incomplete type 'incomplete'}} |
|---|
| 34 | } |
|---|
| 35 | } |
|---|
| 36 | |
|---|
