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Source file test/fixedbugs/bug398.go

Documentation: test/fixedbugs

  // compile
  // Copyright 2012 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.
  // Used to crash compiler in interface type equality check.
  // (This test used to have problems - see #15596.)
  package p
  // exported interfaces
  type I1 interface {
        F() interface{I1}
  type I2 interface {
        F() interface{I2}
  var V1 I1
  var V2 I2
  func F() bool {
         return V1 == V2
  // non-exported interfaces
  type i1 interface {
        F() interface{i1}
  type i2 interface {
        F() interface{i2}
  var v1 i1
  var v2 i2
  func f() bool {
         return v1 == v2

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