| // RUN: %target-typecheck-verify-swift |
| // RUN: %target-swift-frontend -c -verify -verify-ignore-unknown %s -o /dev/null |
| |
| // REQUIRES: objc_interop |
| |
| import ObjectiveC |
| |
| class Foo: NSObject { |
| override var hashValue: Int { |
| // expected-error@-1 {{'NSObject.hashValue' is not overridable; did you mean to override 'NSObject.hash'?}} |
| return 0 |
| } |
| |
| override func hash(into hasher: inout Hasher) { |
| // expected-error@-1 {{overriding non-open instance method outside of its defining module}} |
| // expected-error@-2 {{overriding declarations in extensions is not supported}} |
| } |
| } |