swift

bc4cf123 - [SIL] Generalize CastingIsolatedConformances to CheckedCastInstOptions

[SIL] Generalize CastingIsolatedConformances to CheckedCastInstOptions We are going to need to add more flags to the various checked cast instructions. Generalize the CastingIsolatedConformances bit in all of these SIL instructions to an "options" struct that's easier to extend. Precursor to rdar://152335805.