| // compile | |
| // Copyright 2018 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 20923: gccgo failed to compile parenthesized select case expressions. | |
| package p | |
| func F(c chan bool) { | |
| select { | |
| case (<-c): | |
| case _ = (<-c): | |
| case _, _ = (<-c): | |
| case (c) <- true: | |
| default: | |
| } | |
| } |