// errchk $G $D/$F.go // Copyright 2010 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 I1 interface { m() I2 I2 } type I2 interface { I1 // ERROR "loop|interface" } var i1 I1 = i2 // ERROR "need type assertion" var i2 I2 var i2a I2 = i1