swift

45b8cfd5 - [ModuleInterface] Guard layout based prespecializations in swiftinter… (#64695)

[ModuleInterface] Guard layout based prespecializations in swiftinter… (#64695) * [ModuleInterface] Guard layout based prespecializations in swiftinterface files rdar://107269447 To allow compilers that don't have this feature enabled to parse interface files that contain declarations that use layout based prespecializations, it has to be guarded. * Incorporate feedback