| // compile | |
| // Copyright 2017 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. | |
| // Make sure KeepAlive introduces a use of the spilled variable. | |
| package main | |
| import "runtime" | |
| type node struct { | |
| next *node | |
| } | |
| var x bool | |
| func main() { | |
| var head *node | |
| for x { | |
| head = &node{head} | |
| } | |
| runtime.KeepAlive(head) | |
| } |