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1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s2// expected-no-diagnostics3 4@interface MyParent {5 int X;6}7@end8@implementation MyParent9@end10 11@interface MyParent(AA) {12}13@end14@implementation MyParent (AA)15- (void) setX: (int)in {X = in - 2;}16- (int) X {return X;}17@end18 19@interface MyClass : MyParent20@end21@implementation MyClass22@end23 24int foo(MyClass *o) {25 o.X = 2;26 return o.X;27}