summaryrefslogtreecommitdiff
path: root/test/fixedbugs/issue13169.go
blob: 03c52e2951d7c132462841d3fbe104f506aeec69 (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
38
39
40
41
42
43
44
45
46
47
48
49
// run

// Copyright 2015 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

type T struct {
	a, b, c int
}

func usestack() {
	usestack1(32)
}
func usestack1(d int) byte {
	if d == 0 {
		return 0
	}
	var b [1024]byte
	usestack1(d - 1)
	return b[3]
}

const n = 100000

func main() {
	c := make(chan interface{})
	done := make(chan bool)

	for i := 0; i < 10; i++ {
		go func() {
			for j := 0; j < n; j++ {
				c <- new(T)
			}
			done <- true
		}()
		go func() {
			for j := 0; j < n; j++ {
				_ = (<-c).(*T)
				usestack()
			}
			done <- true
		}()
	}
	for i := 0; i < 20; i++ {
		<-done
	}
}