may_alias.hpp

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// Copyright 2024, Toyota Motor Corporation
//
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
#ifndef INCLUDE_GUARD_ARENE_BASE_ARENE_BASE_COMPILER_SUPPORT_ATTRIBUTES_MAY_ALIAS_HPP_
#define INCLUDE_GUARD_ARENE_BASE_ARENE_BASE_COMPILER_SUPPORT_ATTRIBUTES_MAY_ALIAS_HPP_
 
// IWYU pragma: private, include "arene/base/compiler_support/attributes.hpp"
 
// NOLINTBEGIN(cppcoreguidelines-macro-usage) Explicitly providing compiler support macro functions
// parasoft-begin-suppress AUTOSAR-A16_0_1-d-2 "Conditional defines permitted by A16-0-1 Permit #2"
// parasoft-begin-suppress AUTOSAR-A16_0_1-a-2 "Conditional defines permitted by A16-0-1 Permit #2"
 
/// @def ARENE_MAY_ALIAS
/// @brief An alias for the @c __may_alias__ attribute, or a no-op if the attribute is not supported
 
#if defined(__clang__) || defined(__GNUC__)
#define ARENE_MAY_ALIAS __attribute__((__may_alias__))
#else
#define ARENE_MAY_ALIAS
#endif
 
// NOLINTEND(cppcoreguidelines-macro-usage) Explicitly providing compiler support macro functions
// parasoft-end-suppress AUTOSAR-A16_0_1-d-2
// parasoft-end-suppress AUTOSAR-A16_0_1-a-2
 
#endif  // INCLUDE_GUARD_ARENE_BASE_ARENE_BASE_COMPILER_SUPPORT_ATTRIBUTES_MAY_ALIAS_HPP_