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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
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Issue 8325: corrupted byte operations during optimization
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// pass.
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package main
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const alphanum = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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func main() {
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var bytes = []byte{10, 20, 30, 40, 50}
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for i, b := range bytes {
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bytes[i] = alphanum[b%byte(len(alphanum))]
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}
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for _, b := range bytes {
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switch {
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case '0' <= b && b <= '9',
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'A' <= b && b <= 'Z':
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default:
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println("found a bad character", string(b))
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panic("BUG")
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}
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}
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}
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