This is now allowed in go1.8.
Fixesgolang/go#19646.
Change-Id: Iece4fd2a881144bdbe841e0a26ba4348d6b8828e
Reviewed-on: https://go-review.googlesource.com/38452
Reviewed-by: Alan Donovan <adonovan@google.com>
Run-TryBot: Alan Donovan <adonovan@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>