Passes toolstash-check

Change-Id: Iaeaf2575b9f492e45619007438c0138f9d22006c
Reviewed-on: https://go-review.googlesource.com/c/go/+/200959
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>