1// run -gcflags=-d=ssa/check/on
2
3// Copyright 2019 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// As of 2019-06, bug affects/ed amd64 and s390x.
8
9package main
10
11var foo = []byte{105, 57, 172, 152}
12
13func main() {
14	for i := 0; i < len(foo); i += 4 {
15		// Requires inlining and non-constant i
16		// Note the bug/fix also apply to different widths, but was unable to reproduce for those.
17		println(readLittleEndian32_2(foo[i], foo[i+1], foo[i+2], foo[i+3]))
18	}
19}
20
21func readLittleEndian32_2(a, b, c, d byte) uint32 {
22	return uint32(a) | (uint32(b) << 8) | (uint32(c) << 16) | (uint32(d) << 24)
23}
24