+++ /dev/null
-// Copyright 2015 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build (linux && arm64) || (linux && loong64) || (linux && riscv64)
-
-package main
-
-import "syscall"
-
-func dup2(oldfd, newfd int) error {
- return syscall.Dup3(oldfd, newfd, 0)
-}