mirror of
https://github.com/golang/go
synced 2024-11-24 19:10:15 -07:00
28 lines
530 B
Go
28 lines
530 B
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'}")
|
||
|
|
}
|
||
|
|
}
|