summaryrefslogtreecommitdiffstats
path: root/test/abi/map.go
blob: 236655a3af7e1dbea52f3d8fdb4479f4c6fb5d04 (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
// 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.

package main

import "runtime"

type T [10]int

var m map[*T]int

//go:noinline
func F() {
	m = map[*T]int{
		K(): V(), // the key temp should be live across call to V
	}
}

//go:noinline
func V() int { runtime.GC(); runtime.GC(); runtime.GC(); return 123 }

//go:noinline
func K() *T {
	p := new(T)
	runtime.SetFinalizer(p, func(*T) { println("FAIL") })
	return p
}

func main() {
	F()
}