// run | |
// Copyright 2012 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. | |
// Test that when the compiler expands append inline it does not | |
// overwrite a value before it needs it (issue 3369). | |
package main | |
func main() { | |
s := make([]byte, 5, 6) | |
copy(s, "12346") | |
s = append(s[:len(s)-1], '5', s[len(s)-1]) | |
if string(s) != "123456" { | |
panic(s) | |
} | |
} |