Change-Id: I4ea3e103c290e5d713a791178b35a41509e87275
Reviewed-on: https://go-review.googlesource.com/c/sync/+/275934


Trust: Julie Qiu <julie@golang.org>
Run-TryBot: Julie Qiu <julie@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>