// run // Copyright 2020 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 var ok [2]bool func main() { f()() if !ok[0] || !ok[1] { panic("FAIL") } } func f() func() { ok[0] = true; return g } func g() { ok[1] = true }