Fixes #36168

Change-Id: If2b7368671e83657a3a74dd030e66e7c68bf2361
Reviewed-on: https://go-review.googlesource.com/c/go/+/211657
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Jay Conrod <jayconrod@google.com>