1 files changed, 29 insertions, 0 deletions
diff --git a/src/cmd/link/internal/ld/testdata/deadcode/ifacemethod3.go b/src/cmd/link/internal/ld/testdata/deadcode/ifacemethod3.go
new file mode 100644
index 0000000000..9a8dfbce5f
--- /dev/null
+++ b/src/cmd/link/internal/ld/testdata/deadcode/ifacemethod3.go
@@ -0,0 +1,29 @@
+// Copyright 2020 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.
+
+// Like ifacemethod2.go, this tests that a method *is* live
+// if the type is "indirectly" converted to an interface
+// using reflection with a method descriptor as intermediate.
+
+package main
+
+import "reflect"
+
+type S int
+
+func (s S) M() { println("S.M") }
+
+type I interface { M() }
+
+type T float64
+
+func (t T) F(s S) {}
+
+func main() {
+	var t T
+	ft := reflect.TypeOf(t).Method(0).Type
+	at := ft.In(1)
+	v := reflect.New(at).Elem()
+	v.Interface().(I).M()
+}