swift

4266f36a - Apply the `@_alwaysEmitConformanceMetadata` semantics to conformances originating from macro-expanded declarations and extensions

Apply the `@_alwaysEmitConformanceMetadata` semantics to conformances originating from macro-expanded declarations and extensions Existing code does not visit such declarations and does not mark them to be preserved in the binary even if not public and used. Resolves rdar://127903662