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test: add test for unlowered ITab

See #15604.  This was a bug in a CL that has since been
rolled back.  Adding a test to challenge the next attempter.

Change-Id: Ic43be254ea6eaab0071018cdc61d9b1c21f19cbf
Reviewed-on: https://go-review.googlesource.com/23000
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Keith Randall 2016-05-10 09:10:43 -07:00
parent 636670b8db
commit 9e96ad851d

View File

@ -0,0 +1,17 @@
// compile
// Copyright 2016 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.
package bug
import "os"
func f(err error) {
var ok bool
if err, ok = err.(*os.PathError); ok {
if err == os.ErrNotExist {
}
}
}