1*67e74705SXin Li// RUN: %clang_cc1 -fsyntax-only -verify %s 2*67e74705SXin Li 3*67e74705SXin Li@interface Root @end 4*67e74705SXin Li 5*67e74705SXin Li@interface SuperClass : Root 6*67e74705SXin Li{ 7*67e74705SXin Li int iSuper; // expected-note {{previous declaration is here}} 8*67e74705SXin Li} 9*67e74705SXin Li@end 10*67e74705SXin Li 11*67e74705SXin Li@interface SubClass : SuperClass { 12*67e74705SXin Li int ivar; // expected-error {{duplicate member 'ivar'}} 13*67e74705SXin Li int another_ivar; // expected-error {{duplicate member 'another_ivar'}} 14*67e74705SXin Li int iSuper; // expected-error {{duplicate member 'iSuper'}} 15*67e74705SXin Li} 16*67e74705SXin Li@end 17*67e74705SXin Li 18*67e74705SXin Li@interface SuperClass () { 19*67e74705SXin Li int ivar; // expected-note {{previous declaration is here}} 20*67e74705SXin Li} 21*67e74705SXin Li@end 22*67e74705SXin Li 23*67e74705SXin Li@interface Root () { 24*67e74705SXin Li int another_ivar; // expected-note {{previous declaration is here}} 25*67e74705SXin Li} 26*67e74705SXin Li@end 27*67e74705SXin Li 28*67e74705SXin Li@implementation SubClass 29*67e74705SXin Li-(int) method { 30*67e74705SXin Li return self->ivar; // would be ambiguous if the duplicate ivar were allowed 31*67e74705SXin Li} 32*67e74705SXin Li@end 33