gcc-4.9/gcc/testsuite/go.test/test/fixedbugs/bug211.go


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// errorcheck

// Copyright 2009 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 main

type R interface { duplicate() }
type S interface { duplicate() }
type T interface { R; S }	// ERROR "duplicate"

func main() {
}