| // RUN: %target-typecheck-verify-swift -enable-objc-interop |
| |
| class Base {} |
| |
| @objc protocol Protocol1 : Base {} |
| // expected-error@-1 {{inheritance from non-protocol type 'Base'}} |
| |
| @objc protocol OtherProtocol {} |
| |
| typealias Composition = OtherProtocol & Base |
| |
| @objc protocol Protocol2 : Composition {} |
| // expected-error@-1 {{inheritance from class-constrained protocol composition type 'Composition' (aka 'Base & OtherProtocol')}} |
| |
| @objc protocol Protocol3 : OtherProtocol & Base {} |
| // expected-error@-1 {{inheritance from class-constrained protocol composition type 'Base & OtherProtocol'}} |
