Updates #28242

Change-Id: Ib717b64f1f368cc889895a2437ff2943ed4eab0d
Reviewed-on: https://go-review.googlesource.com/c/159998
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Daniel Martí <mvdan@mvdan.cc>