Change-Id: I643540bcea574d8a70b79237d97097dcc7368766
GitHub-Last-Rev: e2be58d1ab84f91dfbba1067aae7145f24fd650d
GitHub-Pull-Request: golang/go#28125
Reviewed-on: https://go-review.googlesource.com/c/141119Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>