1 files changed, 22 insertions, 0 deletions
diff --git a/test/fixedbugs/bug231.go b/test/fixedbugs/bug231.go
new file mode 100644
index 0000000..f64ddc3
--- /dev/null
+++ b/test/fixedbugs/bug231.go
@@ -0,0 +1,22 @@
+// errorcheck
+
+// Copyright 2009 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 I interface { m() }
+type T struct { m func() }
+type M struct {}
+func (M) m() {}
+
+func main() {
+	var t T
+	var m M
+	var i I
+	
+	i = m
+	i = t	// ERROR "not a method|has no methods" "does not implement I"
+	_ = i
+}