1 // run 2 3 // Copyright 2012 The Go Authors. All rights reserved. 4 // Use of this source code is governed by a BSD-style 5 // license that can be found in the LICENSE file. 6 7 // Test that when the compiler expands append inline it does not 8 // overwrite a value before it needs it (issue 3369). 9 10 package main 11 12 func main() { 13 s := make([]byte, 5, 6) 14 copy(s, "12346") 15 s = append(s[:len(s)-1], '5', s[len(s)-1]) 16 if string(s) != "123456" { 17 panic(s) 18 } 19 } 20
