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