| // 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() | |
| } | |