p5.cpp revision 45f11b78750590b1b1bcec6746c7639a256ce2a2 
1// RUN: %clang_cc1 -fsyntax-only -verify %s
2
3struct A {
4  virtual void f() = 0; // expected-note{{unimplemented pure virtual method}}
5};
6
7struct B : A {
8  virtual void f();
9};
10
11struct C : B {
12  virtual void f() = 0; // expected-note 2{{unimplemented pure virtual method}}
13};
14
15struct D : C {
16};
17
18void test() {
19  (void)new A; // expected-error{{abstract class}}
20  (void)new B;
21  (void)new C; // expected-error{{abstract class}}
22  (void)new D; // expected-error{{abstract class}}
23}
24