1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 struct A; // expected-note 14 {{forward declaration of 'A'}}
3 
4 A f(); // expected-note {{'f' declared here}}
5 
6 struct B {
7   A f(); // expected-note {{'f' declared here}}
8   A operator()(); // expected-note 2 {{'operator()' declared here}}
9   operator A(); // expected-note {{'operator A' declared here}}
10   A operator!(); // expected-note 2 {{'operator!' declared here}}
11   A operator++(int); // expected-note {{'operator++' declared here}}
12   A operator[](int); // expected-note {{'operator[]' declared here}}
13   A operator+(int); // expected-note {{'operator+' declared here}}
14   A operator->(); // expected-note {{'operator->' declared here}}
15 };
16 
17 void g() {
18   f(); // expected-error {{calling 'f' with incomplete return type 'A'}}
19 
20   typedef A (*Func)();
21   Func fp;
22   fp(); // expected-error {{calling function with incomplete return type 'A'}}
23   ((Func)0)();  // expected-error {{calling function with incomplete return type 'A'}}
24 
25   B b;
26   b.f(); // expected-error {{calling 'f' with incomplete return type 'A'}}
27 
28   b.operator()(); // expected-error {{calling 'operator()' with incomplete return type 'A'}}
29   b.operator A(); // expected-error {{calling 'operator A' with incomplete return type 'A'}}
30   b.operator!(); // expected-error {{calling 'operator!' with incomplete return type 'A'}}
31 
32   !b; // expected-error {{calling 'operator!' with incomplete return type 'A'}}
33   b(); // expected-error {{calling 'operator()' with incomplete return type 'A'}}
34   b++; // expected-error {{calling 'operator++' with incomplete return type 'A'}}
35   b[0]; // expected-error {{calling 'operator[]' with incomplete return type 'A'}}
36   b + 1; // expected-error {{calling 'operator+' with incomplete return type 'A'}}
37   b->f(); // expected-error {{calling 'operator->' with incomplete return type 'A'}}
38 
39   A (B::*mfp)() = 0;
40   (b.*mfp)(); // expected-error {{calling function with incomplete return type 'A'}}
41 
42 }
43 
44 
45 struct C; // expected-note{{forward declaration}}
46 
47 void test_incomplete_object_call(C& c) {
48   c(); // expected-error{{incomplete type in call to object of type}}
49 }
50