Updates #31784

Change-Id: Iee056c850c03939606b227a12715c76b0339d268
Reviewed-on: https://go-review.googlesource.com/c/go/+/175097
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>