golang issue25596 代码
文件路径：/src/cmd/compile/internal/importer/testdata/issue25596.go
// Copyright 2018 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 issue25596
type E interface {
M() T
}
type T interface {
E
}