1// RUN: %clang_cc1 -fsyntax-only -verify %s 2class A { }; 3 4class B1 : A { }; 5 6class B2 : virtual A { }; 7 8class B3 : virtual virtual A { }; // expected-error{{duplicate 'virtual' in base specifier}} 9 10class C : public B1, private B2 { }; 11 12 13class D; // expected-note {{forward declaration of 'D'}} 14 15class E : public D { }; // expected-error{{base class has incomplete type}} 16 17typedef int I; 18 19class F : public I { }; // expected-error{{base specifier must name a class}} 20 21union U1 : public A { }; // expected-error{{unions cannot have base classes}} 22 23union U2 {}; 24 25class G : public U2 { }; // expected-error{{unions cannot be base classes}} 26 27typedef G G_copy; 28typedef G G_copy_2; 29typedef G_copy G_copy_3; 30 31class H : G_copy, A, G_copy_2, // expected-error{{base class 'G_copy' (aka 'G') specified more than once as a direct base class}} 32 public G_copy_3 { }; // expected-error{{base class 'G_copy' (aka 'G') specified more than once as a direct base class}} 33 34struct J { char c; int i[]; }; 35struct K : J { }; // expected-error{{base class 'J' has a flexible array member}} 36