| // run -gcflags=-G=3 | |
| // 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 | |
| func f[G any]() func()func()int { | |
| return func() func()int { | |
| return func() int { | |
| return 0 | |
| } | |
| } | |
| } | |
| func main() { | |
| f[int]()()() | |
| } |