1 files changed, 26 insertions, 0 deletions
diff --git a/test/fixedbugs/issue5172.go b/test/fixedbugs/issue5172.go
new file mode 100644
index 0000000..ed92ac6
--- /dev/null
+++ b/test/fixedbugs/issue5172.go
@@ -0,0 +1,26 @@
+// errorcheck
+
+// 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.
+
+// issue 5172: spurious warn about type conversion on broken type inside go and defer
+
+package main
+
+type foo struct {
+	x bar // ERROR "undefined"
+}
+
+type T struct{}
+
+func (t T) Bar() {}
+
+func main() {
+	var f foo
+	go f.bar()    // ERROR "undefined"
+	defer f.bar() // ERROR "undefined"
+
+	t := T{1} // ERROR "too many"
+	go t.Bar()
+}