| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| |
| // check that <array> functions are marked [[nodiscard]] |
| |
| // clang-format off |
| |
| #include <new> |
| |
| #include "test_macros.h" |
| |
| void test() { |
| ::operator new(0); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| ::operator new(0, std::nothrow); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| ::operator new[](0); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| ::operator new[](0, std::nothrow); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| #if _LIBCPP_HAS_ALIGNED_ALLOCATION |
| ::operator new(0, std::align_val_t{1}); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| ::operator new(0, std::align_val_t{1}, std::nothrow); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| ::operator new[](0, std::align_val_t{1}); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| ::operator new[](0, std::align_val_t{1}, std::nothrow); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| #endif // _LIBCPP_HAS_ALIGNED_ALLOCATION |
| |
| #if TEST_STD_VER >= 17 |
| int* ptr = nullptr; |
| std::launder(ptr); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| #endif |
| } |