golang issue51531 代码
文件路径：/test/fixedbugs/issue51531.go
/ errorcheck -lang=go1.17
/ Copyright 2021 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.
package p
type empty interface{}
type Foo[T empty] int / ERROR "type parameter requires go1\.18 or later \(-lang was set to go1\.17; check go.mod\)"
func Bar[T empty]() {} / ERROR "type parameter requires go1\.18 or later \(-lang was set to go1\.17; check go.mod\)"