// Copyright 2019 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 ssa type T struct{} func (T) foo() {} type fooer interface { foo() } func Works(v interface{}) { switch v.(type) { case interface{}: v.(fooer).foo() } } func Panics(v interface{}) { switch v.(type) { case interface{}: v.(fooer).foo() v.(interface{ foo() }).foo() } }