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 51 namespace pr18542 { 52 struct X { 53 int count; 54 template<typename CharT> class basic_istream; 55 template<typename CharT> 56 void basic_istream<CharT>::read() { // expected-error{{out-of-line definition of 'read' from class 'basic_istream<CharT>' without definition}} 57 count = 0; 58 } 59 }; 60 } 61 62
