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-rw-r--r--test/fixedbugs/issue22458.go26
1 files changed, 26 insertions, 0 deletions
diff --git a/test/fixedbugs/issue22458.go b/test/fixedbugs/issue22458.go
new file mode 100644
index 0000000..5c89929
--- /dev/null
+++ b/test/fixedbugs/issue22458.go
@@ -0,0 +1,26 @@
+// 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)
+}