Cross Reference: /prebuilts/go/darwin-x86/test/fixedbugs/issue16133.dir

`Name`	`Date`	`Size`
Up to higher level directory
`a1.go`	05-Oct-2017	`55`
`a2.go`	05-Oct-2017	`55`
`b.go`	05-Oct-2017	`51`
`c.go`	05-Oct-2017	`104`