golang linkname3 代码
文件路径：/test/linkname3.go
/ errorcheck
/ Copyright 2020 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.
/ Tests that errors are reported for misuse of linkname.
package p
import _ "unsafe"
type t int
var x, y int
/go:linkname x ok
/ ERROR "/go:linkname must refer to declared function or variable"
/ ERROR "/go:linkname must refer to declared function or variable"
/ ERROR "duplicate /go:linkname for x"
/line linkname3.go:18
/go:linkname nonexist nonexist
/go:linkname t notvarfunc
/go:linkname x duplicate