golang issue30202 代码
文件路径：/src/cmd/compile/internal/test/testdata/reproducible/issue30202.go
// Copyright 2019 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
func A(x interface {
X() int
}) int {
return x.X()
}
func B(x interface {
X() int
}) int {
return x.X()
}