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go/test/fixedbugs/issue10135.go
Shenghou Ma 0d6a0d6c3f runtime: don't return a slice with nil ptr but non-zero len from growslice
Fixes #10135.

Change-Id: Ic4c5ab15bcb7b9c3fcc685a788d3b59c60c26e1e
Signed-off-by: Shenghou Ma <minux@golang.org>
Reviewed-on: https://go-review.googlesource.com/7400
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-03-12 00:08:38 +00:00

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Go

// run
// Copyright 2015 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 10135: append a slice with zero-sized element used
// to always return a slice with the same data pointer as the
// old slice, even if it's nil, so this program used to panic
// with nil pointer dereference because after append, s is a
// slice with nil data pointer but non-zero len and cap.
package main
type empty struct{}
func main() {
var s []empty
s = append(s, empty{})
for _, v := range s {
_ = v
}
}