golang bug342 代码
文件路径：/test/fixedbugs/bug342.go
/ errorcheck
/ 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.
/ Issue 1871.
package p
type a interface {
foo(x int) (x int) / ERROR "duplicate argument|redefinition|redeclared"
}
/*
Previously:
bug.go:1 x redclared in this block
previous declaration at bug.go:1
*/