test: add test for issue 4468 (go/defer expr may not be parenthesized)

R=gri
CC=golang-dev
https://golang.org/cl/6870053

diff --git a/test/fixedbugs/issue4468.go b/test/fixedbugs/issue4468.go
new file mode 100644 (file)
index 0000000..c9d7699
--- /dev/null
+++ b/test/fixedbugs/issue4468.go
@@ -0,0 +1,14 @@
+// errorcheck
+
+// Copyright 2012 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.
+
+// Issue 4468: go/defer calls may not be parenthesized.
+
+package p
+
+func F() {
+       go (F())        // ERROR "must be function call"
+       defer (F())     // ERROR "must be function call"
+}