| // run | |
| // Copyright 2014 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 8325: corrupted byte operations during optimization | |
| // pass. | |
| package main | |
| const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
| func main() { | |
| var bytes = []byte{10, 20, 30, 40, 50} | |
| for i, b := range bytes { | |
| bytes[i] = alphanum[b%byte(len(alphanum))] | |
| } | |
| for _, b := range bytes { | |
| switch { | |
| case '0' <= b && b <= '9', | |
| 'A' <= b && b <= 'Z': | |
| default: | |
| println("found a bad character", string(b)) | |
| panic("BUG") | |
| } | |
| } | |
| } |