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test: add a test that gccgo miscompiled

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Updates #20923

Change-Id: Ia1210ea3dec39e5db2521aeafca24d6e731f0c93
Reviewed-on: https://go-review.googlesource.com/91657
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Ian Lance Taylor 2018-02-02 11:16:56 -08:00 committed by Brad Fitzpatrick
parent d9fc1929e9
commit 034aca1cbb
1 changed files with 19 additions and 0 deletions
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19
test/fixedbugs/issue20923.go Normal file
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// 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:
}
}