// 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") | |
} | |
} |