| // 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 and not used|not an interface" |
| default: |
| } |
| } |
