Conservative Dynamic Casts to/from Parameterized Protocols #41926
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Update cast feasibility analysis to take parameterized protocols into account. The cast classifier was used to being able to essentially just run `conformsToProtocol` on the existential type, but for parameterized protocol types this will ignore the extra requirements imposed by the argument clause. For now, route everything through the runtime.
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Update cast feasibility analysis to take parameterized protocols into account. The cast classifier was used to being able to essentially just run
conformsToProtocolon the existential type, but for parameterized protocol types this will ignore the extra requirements imposed by the argument clause. For now, route everything through the runtime.The predicate used here is primitive. A follow-up PR will turn on class-bound existential compositions with parameterized protocol types and revisit it.