1// Copyright 2020 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package main
6
7import (
8	"bytes"
9	"fmt"
10	"os"
11	"os/exec"
12)
13
14func main() {
15	if len(os.Args) > 1 {
16		// Generate a SIGILL.
17		sigill()
18		return
19	}
20	// Run ourselves with an extra argument. That process should SIGILL.
21	out, _ := exec.Command(os.Args[0], "foo").CombinedOutput()
22	want := "instruction bytes: 0xf 0xb 0xc3"
23	if !bytes.Contains(out, []byte(want)) {
24		fmt.Printf("got:\n%s\nwant:\n%s\n", string(out), want)
25	}
26}
27func sigill()
28