96 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -fcxx-exceptions %s
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| 
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| int i = delete; // expected-error {{only functions can have deleted definitions}}
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| 
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| void fn() = delete; // expected-note {{candidate function has been explicitly deleted}}
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| 
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| void fn2(); // expected-note {{previous declaration is here}}
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| void fn2() = delete; // expected-error {{deleted definition must be first declaration}}
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| 
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| void fn3() = delete; // expected-note {{previous definition is here}}
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| void fn3() { // expected-error {{redefinition}}
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| }
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| 
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| void ov(int) {} // expected-note {{candidate function}}
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| void ov(double) = delete; // expected-note {{candidate function has been explicitly deleted}}
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| 
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| struct WithDel {
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|   WithDel() = delete; // expected-note {{'WithDel' has been explicitly marked deleted here}}
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|   void fn() = delete; // expected-note {{'fn' has been explicitly marked deleted here}}
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|   operator int() = delete; // expected-note {{'operator int' has been explicitly marked deleted here}}
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|   void operator +(int) = delete;
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| 
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|   int i = delete; // expected-error {{only functions can have deleted definitions}}
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| };
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| 
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| void test() {
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|   fn(); // expected-error {{call to deleted function 'fn'}}
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|   ov(1);
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|   ov(1.0); // expected-error {{call to deleted function 'ov'}}
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| 
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|   WithDel dd; // expected-error {{call to deleted constructor of 'WithDel'}}
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|   WithDel *d = 0;
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|   d->fn(); // expected-error {{attempt to use a deleted function}}
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|   int i = *d; // expected-error {{invokes a deleted function}}
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| }
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| 
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| struct DelDtor {
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|   ~DelDtor() = delete; // expected-note 9{{here}}
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| };
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| void f() {
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|   DelDtor *p = new DelDtor[3]; // expected-error {{attempt to use a deleted function}}
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|   delete [] p; // expected-error {{attempt to use a deleted function}}
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|   const DelDtor &dd2 = DelDtor(); // expected-error {{attempt to use a deleted function}}
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|   DelDtor dd; // expected-error {{attempt to use a deleted function}}
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|   throw dd; // expected-error {{attempt to use a deleted function}}
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| }
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| struct X : DelDtor {
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|   ~X() {} // expected-error {{attempt to use a deleted function}}
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| };
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| struct Y {
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|   DelDtor dd;
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|   ~Y() {} // expected-error {{attempt to use a deleted function}}
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| };
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| struct Z : virtual DelDtor {
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|   ~Z() {} // expected-error {{attempt to use a deleted function}}
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| };
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| DelDtor dd; // expected-error {{attempt to use a deleted function}}
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| 
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| template<typename> void test2() = delete;
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| template void test2<int>();
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| 
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| template<typename> void test3() = delete;
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| template<typename> void test3();
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| template void test3<int>();
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| 
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| void test4() {} // expected-note {{previous definition is here}}
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| void test4() = delete; // expected-error {{redefinition of 'test4'}}
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| 
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| struct DelCtor { // expected-note 4{{implicit}}
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|   DelCtor(int) = delete; // expected-note 14{{deleted}}
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|   // ensure the class is not an aggregate
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|   DelCtor(int, int, int, int);
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| };
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| DelCtor dc1 = 0; // expected-error {{deleted}}
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| DelCtor dc2(0); // expected-error {{deleted}}
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| DelCtor dc3 = {0}; // expected-error {{deleted}}
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| DelCtor dc4{0}; // expected-error {{deleted}}
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| DelCtor dc5 = (DelCtor)0; // expected-error {{deleted}}
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| DelCtor dc6 = DelCtor(0); // expected-error {{deleted}}
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| DelCtor dc7 = DelCtor{0}; // expected-error {{deleted}}
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| DelCtor *dc8 = new DelCtor(0); // expected-error {{deleted}}
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| DelCtor *dc9 = new DelCtor{0}; // expected-error {{deleted}}
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| DelCtor dc10[] = {0}; // expected-error {{deleted}}
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| int use_dc(DelCtor); // expected-note 2{{here}}
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| int dc11 = use_dc(0); // expected-error {{deleted}}
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| int dc12 = use_dc({0}); // expected-error {{deleted}}
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| int use_dcr(const DelCtor &); // expected-note {{here}}
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| int dc13 = use_dcr(0); // expected-error {{deleted}}
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| int dc14 = use_dcr({0}); // expected-error {{deleted}}
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| 
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| struct DelCtorTemplate {
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|   template<typename T> DelCtorTemplate(T) = delete; // expected-note {{deleted}}
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| };
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| int use_dct(const DelCtorTemplate &);
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| int dc15 = use_dct(0); // expected-error {{deleted}}
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