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go/test/fixedbugs/issue28616.go
Keith Randall 95a4f793c0 cmd/compile: don't deadcode eliminate labels
Dead-code eliminating labels is tricky because there might
be gotos that can still reach them.

Bug probably introduced with CL 91056

Fixes #28616

Change-Id: I6680465134e3486dcb658896f5172606cc51b104
Reviewed-on: https://go-review.googlesource.com/c/147817
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Iskander Sharipov <iskander.sharipov@intel.com>
2018-11-06 18:50:16 +00:00

26 lines
325 B
Go

// 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.
// Make sure we don't dead code eliminate a label.
package p
var i int
func f() {
if true {
if i == 1 {
goto label
}
return
}
label:
}