Updates golang/go#23071

Change-Id: I36b0ee58f61b7de25730e0fb082eeb7ef2787594
Reviewed-on: https://go-review.googlesource.com/123920
Run-TryBot: Kunpei Sakai <namusyaka@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Nigel Tao <nigeltao@golang.org>