| 1 | // RUN: %clang_cc1 -verify -fsyntax-only %s |
|---|---|
| 2 | |
| 3 | __attribute__((objc_runtime_visible)) |
| 4 | @interface A |
| 5 | @end |
| 6 | |
| 7 | @interface A(X) |
| 8 | @end |
| 9 | |
| 10 | @implementation A(X) // expected-error{{cannot implement a category for class 'A' that is only visible via the Objective-C runtime}} |
| 11 | @end |
| 12 | |
| 13 | @interface B : A |
| 14 | @end |
| 15 | |
| 16 | @implementation B // expected-error{{cannot implement subclass 'B' of a superclass 'A' that is only visible via the Objective-C runtime}} |
| 17 | @end |
| 18 | |
| 19 | |
| 20 |