|  | // RUN: %clang_cc1 -std=c++11 %s -verify | 
|  |  | 
|  | struct A {}; | 
|  | struct B : [[]] A {}; | 
|  | struct C : [[]] virtual A {}; | 
|  | struct D : [[]] public virtual A {}; | 
|  | struct E : public [[]] virtual A {}; // expected-error {{an attribute list cannot appear here}} | 
|  | struct F : virtual [[]] public A {}; // expected-error {{an attribute list cannot appear here}} | 
|  | struct G : [[noreturn]] A {}; // expected-error {{'noreturn' attribute cannot be applied to a base specifier}} | 
|  | struct H : [[unknown::foobar]] A {}; // expected-warning {{unknown attribute 'foobar' ignored}} |