test: add test for issue 17039

Change-Id: Ieb3d605f03a7185a707621bef7160090c9bdb51f
Reviewed-on: https://go-review.googlesource.com/28873
Reviewed-by: Alan Donovan <adonovan@google.com>

diff --git a/test/fixedbugs/issue17039.go b/test/fixedbugs/issue17039.go
new file mode 100644 (file)
index 0000000..1298e2b
--- /dev/null
+++ b/test/fixedbugs/issue17039.go
@@ -0,0 +1,17 @@
+// run
+
+// Copyright 2016 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
+
+type S []S
+
+func main() {
+       var s S
+       s = append(s, s) // append a nil value to s
+       if s[0] != nil {
+               println("BUG: s[0] != nil")
+       }
+}