Updates golang/go#24381

Change-Id: I9bd15bb7961f02af12a45b12ac62e07d059c744e
Reviewed-on: https://go-review.googlesource.com/100555
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>