1*67e74705SXin Li // RUN: %clang_cc1 -triple %itanium_abi_triple -fsyntax-only -verify %s 2*67e74705SXin Li // expected-no-diagnostics 3*67e74705SXin Li class A { virtual void f(); }; 4*67e74705SXin Li class B : virtual A { }; 5*67e74705SXin Li 6*67e74705SXin Li class C : B { }; 7*67e74705SXin Li 8*67e74705SXin Li // Since A is already a primary base class, C should be the primary base class 9*67e74705SXin Li // of F. 10*67e74705SXin Li class F : virtual A, virtual C { }; 11*67e74705SXin Li 12*67e74705SXin Li int sa[sizeof(F) == sizeof(A) ? 1 : -1]; 13