go1.7rc6
go1.7rc6

Change-Id: Ie76b5af0ecc4c64c523110b44483c06e7031237c
Reviewed-on: https://go-review.googlesource.com/25582
Reviewed-by: Chris Broadfoot <0c2851a4f8ab4aa5606e69c0757771dd13dbe686@golang.org>

4ad/go,4ad/go,4ad/go,4ad/go,4ad/go,4ad/go,4ad/go,4ad/go