mirror of
https://github.com/golang/go
synced 2024-09-20 00:11:56 +00:00
5b63ce4e19
Credit to Rémy for finding and writing test case. Fixes #8325. LGTM=r R=golang-codereviews, r CC=dave, golang-codereviews, iant, remyoudompheng https://golang.org/cl/124950043
32 lines
618 B
Go
32 lines
618 B
Go
// 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")
|
|
}
|
|
|
|
}
|
|
}
|