[IRGen] Sign these function pointers. #82510
Merged
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Value witness tables for prespecialized metadata for multi payload enums contain references to
swift_getMultiPayloadEnumTagSinglePayload
andswift_storeMultiPayloadEnumTagSinglePayload
. On platforms with ptrauth, those functions must be signed. Use the same helper when adding these functions to the table as is used to add every single other function to the table.rdar://80334865