SYS_GETPGRP              = 81  // { int|sys||getpgrp(void); }
	SYS_SETPGID              = 82  // { int|sys||setpgid(pid_t pid, pid_t pgid); }
	SYS_DUP2                 = 90  // { int|sys||dup2(int from, int to); }
	SYS_FCNTL                = 92  // { int|sys||fcntl(int fd, int cmd, ... void *arg); }
	SYS_FSYNC                = 95  // { int|sys||fsync(int fd); }

	SYS_GETPGRP              = 81  // { int|sys||getpgrp(void); }
	SYS_SETPGID              = 82  // { int|sys||setpgid(pid_t pid, pid_t pgid); }
	SYS_DUP2                 = 90  // { int|sys||dup2(int from, int to); }
	SYS_FCNTL                = 92  // { int|sys||fcntl(int fd, int cmd, ... void *arg); }
	SYS_FSYNC                = 95  // { int|sys||fsync(int fd); }

//sys	Chown(path string, uid int, gid int) (err error)
//sys	Chroot(path string) (err error)
//sys	ClockGettime(clockid int32, time *Timespec) (err error)
//sys	Close(fd int) (err error)
//sys	Dup(fd int) (nfd int, err error)
//sys	Dup2(from int, to int) (err error)
//sys	Exit(code int)
//sys	ExtattrGetFd(fd int, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)

int sync();
uintptr_t times(uintptr_t);
int umask(int);
int uname(uintptr_t);
int unlink(uintptr_t);
int unlinkat(int, uintptr_t, int);
int ustat(int, uintptr_t);
int write(int, uintptr_t, size_t);
int dup2(int, int);
int posix_fadvise64(int, long long, long long, int);
int fchown(int, int, int);
int fstat(int, uintptr_t);
int fstatat(int, uintptr_t, uintptr_t, int);
int fstatfs(int, uintptr_t);
int ftruncate(int, long long);

			if err1 != 0 {
				goto childerror
			}
			fd[i] = nextfd
			nextfd++
		}
	}

	// Pass 2: dup fd[i] down onto i.
	for i = 0; i < len(fd); i++ {
		if fd[i] == -1 {
			RawSyscall(SYS_CLOSE, uintptr(i), 0, 0)
			continue
		}
		if fd[i] == i {
			// dup2(i, i) won't clear close-on-exec flag on Linux,
			// probably not elsewhere either.

mergingList:
- name: 1
- name: 2
  value: dup1
- name: 3
- name: 2
  value: dup2
- name: 4
`),
			Current: []byte(`
mergingList:
- name: 1
- name: 2
  value: dup1
- name: 3
- name: 2
  value: dup2
- name: 4
`),
			Modified: []byte(`
mergingList:
- name: 2
  value: dup1
- name: 1
- name: 4
- name: 3
- name: 2

func Dup2(from int, to int) (err error) {
	_, _, e1 := syscall(abi.FuncPCABI0(libc_dup2_trampoline), uintptr(from), uintptr(to), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

func libc_dup2_trampoline()

//go:cgo_import_dynamic libc_dup2 dup2 "libc.so"

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func dup3(from int, to int, flags int) (err error) {

	SYS_GETITIMER                = 86  // { int getitimer(u_int which, \
	SYS_GETDTABLESIZE            = 89  // { int getdtablesize(void); }
	SYS_DUP2                     = 90  // { int dup2(u_int from, u_int to); }
	SYS_FCNTL                    = 92  // { int fcntl(int fd, int cmd, long arg); }
	SYS_SELECT                   = 93  // { int select(int nd, fd_set *in, fd_set *ou, \

	SYS_SWAPON        = 85  // { int swapon(char *name); }
	SYS_GETITIMER     = 86  // { int getitimer(u_int which, struct itimerval *itv); }
	SYS_GETDTABLESIZE = 89  // { int getdtablesize(void); }
	SYS_DUP2          = 90  // { int dup2(u_int from, u_int to); }
	SYS_FCNTL         = 92  // { int fcntl(int fd, int cmd, long arg); }
	SYS_SELECT        = 93  // { int select(int nd, fd_set *in, fd_set *ou, \
	SYS_FSYNC         = 95  // { int fsync(int fd); }

	SYS_GETPGRP              = 81  // { int|sys||getpgrp(void); }
	SYS_SETPGID              = 82  // { int|sys||setpgid(pid_t pid, pid_t pgid); }
	SYS_DUP2                 = 90  // { int|sys||dup2(int from, int to); }
	SYS_FCNTL                = 92  // { int|sys||fcntl(int fd, int cmd, ... void *arg); }
	SYS_FSYNC                = 95  // { int|sys||fsync(int fd); }