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go/test/fixedbugs/issue20749.go
Robert Griesemer 47e659b01f cmd/compile: fix array slice expression bounds check
Fixes #20749.

Change-Id: Ic6a7edc858575c4cb8b2e2ca97ee0c4b69f22c27
Reviewed-on: https://go-review.googlesource.com/46466
Run-TryBot: Robert Griesemer <gri@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2017-06-22 23:31:45 +00:00

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Go

// 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.
package p
// Verify that the compiler complains even if the array
// has length 0.
var a [0]int
var _ = a[2:] // ERROR "invalid slice index 2"
var b [1]int
var _ = b[2:] // ERROR "invalid slice index 2"