// Copyright 2022 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 type thing1 struct { things []string } type thing2 struct { things []thing1 } func _() { var a1, b1 thing1 _ = a1 /* ERROR "struct containing []string cannot be compared" */ == b1 var a2, b2 thing2 _ = a2 /* ERROR "struct containing []thing1 cannot be compared" */ == b2 }