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libcxx_old/test/libcxx/diagnostics/nodiscard_aftercxx17.pass.cpp

27 lines
786 B
C++

// -*- 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
//
//===----------------------------------------------------------------------===//
// Test that _LIBCPP_NODISCARD_AFTER_CXX17 is disabled whenever
// _LIBCPP_DISABLE_NODISCARD_AFTER_CXX17 is defined by the user.
// MODULES_DEFINES: _LIBCPP_DISABLE_NODISCARD_AFTER_CXX17
#define _LIBCPP_DISABLE_NODISCARD_AFTER_CXX17
#include <__config>
#include "test_macros.h"
_LIBCPP_NODISCARD_AFTER_CXX17 int foo() { return 6; }
int main(int, char**)
{
foo(); // no error here!
return 0;
}