1 files changed, 34 insertions, 0 deletions
diff --git a/test/fixedbugs/issue5581.go b/test/fixedbugs/issue5581.go
new file mode 100644
index 000000000..8c2d59729
--- /dev/null
+++ b/test/fixedbugs/issue5581.go
@@ -0,0 +1,34 @@
+// errorcheck
+
+// Used to emit a spurious "invalid recursive type" error.
+// See golang.org/issue/5581.
+
+// Copyright 2013 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
+
+import "fmt"
+
+func NewBar() *Bar { return nil }
+
+func (x *Foo) Method() (int, error) {
+	for y := range x.m {
+		_ = y.A
+	}
+	return 0, nil
+}
+
+type Foo struct {
+	m map[*Bar]int
+}
+
+type Bar struct {
+	A *Foo
+	B chan Blah // ERROR "undefined: Blah"
+}
+
+func main() {
+	fmt.Println("Hello, playground")
+}