Fixes #26589

Change-Id: I180883a13cec229093654004b42c48d76ee20272
GitHub-Last-Rev: 2d9879de43fbcfb413116d69accdade6bc042c97
GitHub-Pull-Request: golang/go#26667
Reviewed-on: https://go-review.googlesource.com/126617Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Joe Tsai <thebrokentoaster@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>