Cross Reference: /prebuilts/go/darwin-x86/pkg/darwin_amd64/internal

`Name`	`Date`	`Size`
Up to higher level directory
`format.a`	06-Dec-2016	`26.7K`
`singleflight.a`	06-Dec-2016	`46.5K`
`testenv.a`	06-Dec-2016	`27.9K`
`trace.a`	06-Dec-2016	`259.9K`