| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | @interface Root @end |
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| 4 | |
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| 5 | @interface SuperClass : Root |
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| 6 | { |
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| 7 | int iSuper; // expected-note {{previous declaration is here}} |
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| 8 | } |
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| 9 | @end |
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| 10 | |
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| 11 | @interface SubClass : SuperClass { |
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| 12 | int ivar; // expected-error {{duplicate member 'ivar'}} |
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| 13 | int another_ivar; // expected-error {{duplicate member 'another_ivar'}} |
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| 14 | int iSuper; // expected-error {{duplicate member 'iSuper'}} |
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| 15 | } |
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| 16 | @end |
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| 17 | |
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| 18 | @interface SuperClass () { |
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| 19 | int ivar; // expected-note {{previous declaration is here}} |
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| 20 | } |
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| 21 | @end |
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| 22 | |
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| 23 | @interface Root () { |
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| 24 | int another_ivar; // expected-note {{previous declaration is here}} |
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| 25 | } |
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| 26 | @end |
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| 27 | |
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| 28 | @implementation SubClass |
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| 29 | -(int) method { |
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| 30 | return self->ivar; // would be ambiguous if the duplicate ivar were allowed |
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| 31 | } |
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| 32 | @end |
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| 33 | |
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