| // 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") | |
| } | |
| } |