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// RUN: %clang_cc1 -fsyntax-only -verify %s
class A { };
class B1 : A { };
class B2 : virtual A { };
class B3 : virtual virtual A { }; // expected-error{{duplicate 'virtual' in base specifier}}
class C : public B1, private B2 { };
class D; // expected-note {{forward declaration of 'D'}}
class E : public D { }; // expected-error{{base class has incomplete type}}
typedef int I;
class F : public I { }; // expected-error{{base specifier must name a class}}
union U1 : public A { }; // expected-error{{unions cannot have base classes}}
union U2 {};
class G : public U2 { }; // expected-error{{unions cannot be base classes}}
typedef G G_copy;
typedef G G_copy_2;
typedef G_copy G_copy_3;
class H : G_copy, A, G_copy_2, // expected-error{{base class 'G_copy' (aka 'G') specified more than once as a direct base class}}
public G_copy_3 { }; // expected-error{{base class 'G_copy' (aka 'G') specified more than once as a direct base class}}
struct J { char c; int i[]; };
struct K : J { }; // expected-error{{base class 'J' has a flexible array member}}
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