// -alias=false // Copyright 2021 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 p // test case 1 type T /* ERROR "invalid recursive type" */ [U interface{ M() T[U] }] int type X int func (X) M() T[X] { return 0 } // test case 2 type A /* ERROR "invalid recursive type" */ [T interface{ A[T] }] interface{} // test case 3 type A2 /* ERROR "invalid recursive type" */ [U interface{ A2[U] }] interface{ M() A2[U] } type I interface{ A2[I]; M() A2[I] }