1 files changed, 17 insertions, 0 deletions
diff --git a/test/fixedbugs/issue4470.go b/test/fixedbugs/issue4470.go
new file mode 100644
index 0000000..1dc5563
--- /dev/null
+++ b/test/fixedbugs/issue4470.go
@@ -0,0 +1,17 @@
+// 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 4470: parens are not allowed around .(type) "expressions"
+
+package main
+
+func main() {
+	var i interface{}
+	switch (i.(type)) { // ERROR "outside type switch"
+	default:
+	}
+	_ = i
+}