Cross Reference: /external/libcxx/test/std/experimental/filesystem/class.path/path.member/path.assign

`Name`	`Date`	`Size`
Up to higher level directory
`braced_init.pass.cpp`	06-Dec-2017	`734`
`copy.pass.cpp`	06-Dec-2017	`967`
`move.pass.cpp`	06-Dec-2017	`1.2K`
`source.pass.cpp`	06-Dec-2017	`6.5K`