go issue44823 源码
golang issue44823 代码
文件路径：/test/fixedbugs/issue44823.go
// run
// Copyright 2021 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 44823: miscompilation with store combining.
package main
import "encoding/binary"
//go:noinline
func Id(a [8]byte) (x [8]byte) {
binary.LittleEndian.PutUint64(x[:], binary.LittleEndian.Uint64(a[:]))
return
}
var a = [8]byte{1, 2, 3, 4, 5, 6, 7, 8}
func main() {
x := Id(a)
if x != a {
panic("FAIL")
}
}
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