成唯識論演祕 7.754

7.754

答云：相順者固漏、無漏，可名相順。一漏、無漏相順義失。

The answer states: When they correspond, both are indeed sāsrava or anāsrava, and can be said to correspond. If one were sāsrava and the other anāsrava, the meaning of correspondence would be lost.