c1cff4ee43
Bionic's sys/user.h declares a "struct user". The header tends to be included, and when it is, it conflicts with "namespace user". Rename user to User. Differential Revision: https://reviews.llvm.org/D139380
41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <system_error>
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// class error_code
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// template <ErrorCodeEnum E> error_code(E e);
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// Regression test for https://github.com/llvm/llvm-project/issues/57614
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int make_error_code; // It's important that this comes before <system_error>
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#include <system_error>
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#include <cassert>
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#include <type_traits>
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namespace User {
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enum Err {};
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std::error_code make_error_code(Err) { return std::error_code(42, std::generic_category()); }
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}
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namespace std {
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template <>
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struct is_error_code_enum<User::Err> : true_type {};
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}
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int main(int, char**) {
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std::error_code e((User::Err()));
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assert(e.value() == 42);
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assert(e.category() == std::generic_category());
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return 0;
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}
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