go issue5809 源码
golang issue5809 代码
文件路径：/test/fixedbugs/issue5809.go
// run
// Copyright 2013 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 5809: 6g and 8g attempted to constant propagate indexed LEA
package main
import "fmt"
func main() {
const d16 = "0123456789ABCDEF"
k := 0x1234
var x [4]byte
x[0] = d16[k>>12&0xf]
x[1] = d16[k>>8&0xf]
x[2] = d16[k>>4&0xf]
x[3] = d16[k&0xf]
if x != [4]byte{'1','2','3','4'} {
fmt.Println(x)
panic("x != [4]byte{'1','2','3','4'}")
}
}
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