| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <new> |
| |
| // template <class T> constexpr T* launder(T* p) noexcept; |
| // The program is ill-formed if T is a function type or cv void. |
| |
| // UNSUPPORTED: c++98, c++03, c++11, c++14 |
| |
| #include <new> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| void foo() {} |
| |
| int main(int, char**) |
| { |
| void *p = nullptr; |
| (void) std::launder(( void *) nullptr); |
| (void) std::launder((const void *) nullptr); |
| (void) std::launder(( volatile void *) nullptr); |
| (void) std::launder((const volatile void *) nullptr); // expected-error-re@new:* 4 {{static_assert failed{{.*}} "can't launder cv-void"}} |
| // expected-error@new:* 0-4 {{void pointer argument to '__builtin_launder' is not allowed}} |
| |
| (void) std::launder(foo); // expected-error-re@new:* 1 {{static_assert failed{{.*}} "can't launder functions"}} |
| // expected-error@new:* 0-1 {{function pointer argument to '__builtin_launder' is not allowed}} |
| |
| return 0; |
| } |