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
g()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
test_incomplete_object_call(C & c)47 void test_incomplete_object_call(C& c) {
48 c(); // expected-error{{incomplete type in call to object of type}}
49 }
50
test_incomplete_object_dtor(C * p)51 void test_incomplete_object_dtor(C *p) {
52 p.~C(); // expected-error{{member reference type 'C *' is a pointer; did you mean to use '->'?}}
53 }
54
55 namespace pr18542 {
56 struct X {
57 int count;
58 template<typename CharT> class basic_istream;
59 template<typename CharT>
read()60 void basic_istream<CharT>::read() { // expected-error{{out-of-line definition of 'read' from class 'basic_istream<CharT>' without definition}}
61 count = 0;
62 }
63 };
64 }
65
66