1// build
2
3// Copyright 2017 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Linking this with gccgo got an undefined symbol reference,
8// because the private method in testing.TB led gccgo to assume that
9// the interface method table would be defined in the testing package.
10
11package main
12
13import "testing"
14
15type I interface {
16	testing.TB
17	Parallel()
18}
19
20func F(i I) {
21	i.Log("F")
22}
23
24var t testing.T
25
26func main() {
27	F(&t)
28}
29