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swift-mirror/lib/IRGen/GenCast.h
Dario Rexin 533e215f6f [IRGen] Emit null check before swift_conformsToProtocol for nullable metatypes 
rdar://149882902

swift_conformsToProtocol does not properly handle nullptr values, which can currently be passed if the source type is an optional metatype. This change adds emission of a null check before calling the runtime function in these cases.
2025-06-13 17:00:49 -07:00

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