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