| // errorcheck | |
| // Copyright 2017 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. | |
| // Issue 22904: Make sure the compiler emits a proper error message about | |
| // invalid recursive types rather than crashing. | |
| package p | |
| type a struct{ b } // ERROR "invalid recursive type" | |
| type b struct{ a } | |
| var x interface{} | |
| func f() { | |
| x = a{} | |
| } |