aboutsummaryrefslogtreecommitdiff
path: root/test/fixedbugs/issue27201.go
blob: 0c9611fc73b93db3d2da92ffb68bd468d317db47 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
// run

// Copyright 2019 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.

package main

import (
	"runtime"
	"strings"
)

func main() {
	f(nil)
}

func f(p *int32) {
	defer checkstack()
	v := *p         // panic should happen here, line 20
	sink = int64(v) // not here, line 21
}

var sink int64

func checkstack() {
	_ = recover()
	var buf [1024]byte
	n := runtime.Stack(buf[:], false)
	s := string(buf[:n])
	if strings.Contains(s, "issue27201.go:21 ") {
		panic("panic at wrong location")
	}
	if !strings.Contains(s, "issue27201.go:20 ") {
		panic("no panic at correct location")
	}
}