62 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify %s
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| struct A; // expected-note 14 {{forward declaration of 'A'}}
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| 
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| A f(); // expected-note {{'f' declared here}}
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| 
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| struct B {
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|   A f(); // expected-note {{'f' declared here}}
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|   A operator()(); // expected-note 2 {{'operator()' declared here}}
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|   operator A(); // expected-note {{'operator A' declared here}}
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|   A operator!(); // expected-note 2 {{'operator!' declared here}}
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|   A operator++(int); // expected-note {{'operator++' declared here}}
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|   A operator[](int); // expected-note {{'operator[]' declared here}}
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|   A operator+(int); // expected-note {{'operator+' declared here}}
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|   A operator->(); // expected-note {{'operator->' declared here}}
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| };
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| 
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| void g() {
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|   f(); // expected-error {{calling 'f' with incomplete return type 'A'}}
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| 
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|   typedef A (*Func)();
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|   Func fp;
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|   fp(); // expected-error {{calling function with incomplete return type 'A'}}
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|   ((Func)0)();  // expected-error {{calling function with incomplete return type 'A'}}  
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|   
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|   B b;
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|   b.f(); // expected-error {{calling 'f' with incomplete return type 'A'}}
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|   
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|   b.operator()(); // expected-error {{calling 'operator()' with incomplete return type 'A'}}
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|   b.operator A(); // expected-error {{calling 'operator A' with incomplete return type 'A'}}
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|   b.operator!(); // expected-error {{calling 'operator!' with incomplete return type 'A'}}
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|   
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|   !b; // expected-error {{calling 'operator!' with incomplete return type 'A'}}
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|   b(); // expected-error {{calling 'operator()' with incomplete return type 'A'}}
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|   b++; // expected-error {{calling 'operator++' with incomplete return type 'A'}}
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|   b[0]; // expected-error {{calling 'operator[]' with incomplete return type 'A'}}
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|   b + 1; // expected-error {{calling 'operator+' with incomplete return type 'A'}}
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|   b->f(); // expected-error {{calling 'operator->' with incomplete return type 'A'}}
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|   
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|   A (B::*mfp)() = 0;
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|   (b.*mfp)(); // expected-error {{calling function with incomplete return type 'A'}}
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|   
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| }
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| 
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| 
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| struct C; // expected-note{{forward declaration}}
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| 
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| void test_incomplete_object_call(C& c) {
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|   c(); // expected-error{{incomplete type in call to object of type}}
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| }
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| 
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| namespace pr18542 {
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|   struct X {
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|     int count;
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|     template<typename CharT> class basic_istream;
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|     template<typename CharT>
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|       void basic_istream<CharT>::read() { // expected-error{{out-of-line definition of 'read' from class 'basic_istream<CharT>' without definition}}
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|         count = 0;
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|       }
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|   };
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| }
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| 
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