| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // [[nodiscard]] void* operator new[](std::size_t); |
| // [[nodiscard]] void* operator new[](std::size_t, std::nothrow_t const&); |
| // [[nodiscard]] void* operator new[](std::size_t, std::align_val_t); |
| // [[nodiscard]] void* operator new[](std::size_t, std::align_val_t, std::nothrow_t const&); |
| |
| // [[nodiscard]] is not supported at all in c++03 |
| // UNSUPPORTED: c++03 |
| |
| // [[nodiscard]] enabled before C++20 in libc++ as an extension |
| // UNSUPPORTED: (c++11 || c++14 || c++17) && !stdlib=libc++ |
| |
| // We get availability markup errors when aligned allocation is missing |
| // XFAIL: availability-aligned_allocation-missing |
| |
| // Libc++ when built for z/OS doesn't contain the aligned allocation functions, |
| // nor does the dynamic library shipped with z/OS. |
| // UNSUPPORTED: target={{.+}}-zos{{.*}} |
| |
| #include <new> |
| |
| #include "test_macros.h" |
| |
| void f() { |
| ::operator new[](4); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| ::operator new[](4, std::nothrow); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| |
| #if TEST_STD_VER >= 17 |
| ::operator new[](4, std::align_val_t{4}); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| ::operator new[](4, std::align_val_t{4}, std::nothrow); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
| #endif |
| } |