Cross Reference: /external/libcxx/test/std/diagnostics/syserr/syserr.errcode/syserr.errcode.modifiers

`Name`	`Date`	`Size`
Up to higher level directory
`assign.pass.cpp`	06-Dec-2017	`863`
`clear.pass.cpp`	06-Dec-2017	`762`
`ErrorCodeEnum.pass.cpp`	06-Dec-2017	`920`