| // -*- C++ -*- |
| //===-- scan.fail.cpp -----------------------------------------------------===// |
| // |
| // 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, c++11, c++14 |
| |
| #include <execution> |
| #include <numeric> |
| |
| struct CustomPolicy |
| { |
| constexpr std::false_type |
| __allow_vector() |
| { |
| return std::false_type{}; |
| } |
| constexpr std::false_type |
| __allow_parallel() |
| { |
| return std::false_type{}; |
| } |
| } policy; |
| |
| int32_t |
| main() |
| { |
| int *first = nullptr, *last = nullptr, *result = nullptr; |
| |
| std::exclusive_scan(policy, first, last, result, 0); // expected-error {{no matching function for call to 'exclusive_scan'}} |
| std::exclusive_scan(policy, first, last, result, 0, std::plus<int>()); // expected-error {{no matching function for call to 'exclusive_scan'}} |
| |
| return 0; |
| } |