golang bug490 代码
文件路径：/test/fixedbugs/bug490.go
/ compile
/ Copyright 2014 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.
/ The gccgo compiler used to crash building a comparison between an
/ interface and an empty struct literal.
package p
type S struct{}
func F(v interface{}) bool {
return v == S{}
}