// 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) }