| // 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 20185: type switching on untyped values (e.g. nil or consts) | |
| // caused an internal compiler error. | |
| package p | |
| func F() { | |
| switch t := nil.(type) { // ERROR "cannot type switch on non-interface value|not an interface" | |
| default: | |
| _ = t | |
| } | |
| } | |
| const x = 1 | |
| func G() { | |
| switch t := x.(type) { // ERROR "cannot type switch on non-interface value|declared but not used|not an interface" | |
| default: | |
| } | |
| } |