Cross Reference: /external/libcxx/test/std/algorithms/alg.nonmodifying/alg.is_permutation

`Name`	`Date`	`Size`
Up to higher level directory
`is_permutation.pass.cpp`	21-Aug-2018	`30.2K`
`is_permutation_pred.pass.cpp`	21-Aug-2018	`38.7K`