golang bug327 代码
文件路径：/test/fixedbugs/bug327.go
/ run
/ Copyright 2011 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.
/ Conversion between identical interfaces.
/ Issue 1647.
/ The compiler used to not realize this was a no-op,
/ so it generated a call to the non-existent function runtime.convE2E.
package main
type (
a interface{}
b interface{}
)
func main() {
x := a(1)
z := b(x)
_ = z
}