1 files changed, 35 insertions, 0 deletions
diff --git a/test/fixedbugs/issue16016.go b/test/fixedbugs/issue16016.go
new file mode 100644
index 0000000..e738e1d
--- /dev/null
+++ b/test/fixedbugs/issue16016.go
@@ -0,0 +1,35 @@
+// run
+
+// Copyright 2016 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 "time"
+
+type T struct{}
+
+func (*T) Foo(vals []interface{}) {
+	switch v := vals[0].(type) {
+	case string:
+		_ = v
+	}
+}
+
+type R struct{ *T }
+
+type Q interface {
+	Foo([]interface{})
+}
+
+func main() {
+	var q Q = &R{&T{}}
+	for i := 0; i < 10000; i++ {
+		go func() {
+			defer q.Foo([]interface{}{"meow"})
+			time.Sleep(100 * time.Millisecond)
+		}()
+	}
+	time.Sleep(1 * time.Second)
+}