1 // compile 2 3 // Copyright 2012 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // Used to crash compiler in interface type equality check. 8 // (This test used to have problems - see #15596.) 9 10 package p 11 12 // exported interfaces 13 14 type I1 interface { 15 F() interface{I1} 16 } 17 18 type I2 interface { 19 F() interface{I2} 20 } 21 22 var V1 I1 23 var V2 I2 24 25 func F() bool { 26 return V1 == V2 27 } 28 29 // non-exported interfaces 30 31 type i1 interface { 32 F() interface{i1} 33 } 34 35 type i2 interface { 36 F() interface{i2} 37 } 38 39 var v1 i1 40 var v2 i2 41 42 func f() bool { 43 return v1 == v2 44 } 45
