1*67e74705SXin Li// RUN: %clang_cc1 -fsyntax-only -verify %s 2*67e74705SXin Li// expected-no-diagnostics 3*67e74705SXin Li 4*67e74705SXin Li 5*67e74705SXin Li@interface Object 6*67e74705SXin Li+ (id) new; 7*67e74705SXin Li@end 8*67e74705SXin Li 9*67e74705SXin Li@protocol GCObject 10*67e74705SXin Li@property int class; 11*67e74705SXin Li@end 12*67e74705SXin Li 13*67e74705SXin Li@protocol DerivedGCObject <GCObject> 14*67e74705SXin Li@property int Dclass; 15*67e74705SXin Li@end 16*67e74705SXin Li 17*67e74705SXin Li@interface GCObject : Object <DerivedGCObject> { 18*67e74705SXin Li int ifield; 19*67e74705SXin Li int iOwnClass; 20*67e74705SXin Li int iDclass; 21*67e74705SXin Li} 22*67e74705SXin Li@property int OwnClass; 23*67e74705SXin Li@end 24*67e74705SXin Li 25*67e74705SXin Li@implementation GCObject : Object 26*67e74705SXin Li@synthesize class=ifield; 27*67e74705SXin Li@synthesize Dclass=iDclass; 28*67e74705SXin Li@synthesize OwnClass=iOwnClass; 29*67e74705SXin Li@end 30*67e74705SXin Li 31*67e74705SXin Liint main(int argc, char **argv) { 32*67e74705SXin Li GCObject *f = [GCObject new]; 33*67e74705SXin Li f.class = 5; 34*67e74705SXin Li f.Dclass = 1; 35*67e74705SXin Li f.OwnClass = 3; 36*67e74705SXin Li return f.class + f.Dclass + f.OwnClass - 9; 37*67e74705SXin Li} 38