// build
// Copyright 2017 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.
// Linking this with gccgo got an undefined symbol reference,
// because the private method in testing.TB led gccgo to assume that
// the interface method table would be defined in the testing package.
package main
import "testing"
type I interface {
testing.TB
Parallel()
}
func F(i I) {
i.Log("F")
}
var t testing.T
func main() {
F(&t)
}