Cross Reference: /prebuilts/go/darwin-x86/test/fixedbugs/bug504.dir

`Name`	`Date`	`Size`
Up to higher level directory
`a.go`	21-Aug-2018	`188`
`b.go`	21-Aug-2018	`216`
`c.go`	21-Aug-2018	`199`
`main.go`	21-Aug-2018	`218`