Cross Reference: /prebuilts/go/linux-x86/test/safe

`Name`	`Date`	`Size`
Up to higher level directory
`main.go`	21-Aug-2018	`325`
`nousesafe.go`	21-Aug-2018	`291`
`pkg.go`	21-Aug-2018	`369`
`usesafe.go`	21-Aug-2018	`285`