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1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s2 3// Note: GCC doesn't produce any of the following errors.4@interface Super @end // expected-note {{previous definition is here}}5 6@interface MyWpModule @end // expected-note {{previous definition is here}}7 8@compatibility_alias MyAlias MyWpModule;9 10@compatibility_alias AliasForSuper Super;11 12@implementation MyAlias : AliasForSuper // expected-error {{conflicting super class name 'Super'}}13@end14 15@interface MyAlias : AliasForSuper // expected-error {{duplicate interface definition for class 'MyWpModule'}}16@end17 18