Updates #35518.

Change-Id: Icd052c8c68aae32696b5831a29e04cc4cb224b06
Reviewed-on: https://go-review.googlesource.com/c/go/+/206820
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>