forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			110 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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| 
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| // Test1
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| struct B {
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|   operator char *(); // expected-note {{conversion to pointer type}}
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| };
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| 
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| struct D : B {
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|   operator int *(); // expected-note {{conversion to pointer type}}
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| };
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| 
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| void f (D d)
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| {
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|    delete d; // expected-error {{ambiguous conversion of delete expression of type 'D' to a pointer}}
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| }
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| 
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| // Test2
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| struct B1 {
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|   operator int *();
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| };
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| 
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| struct D1 : B1 {
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|   operator int *();
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| };
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| 
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| void f1 (D1 d)
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| {
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|    delete d;
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| }
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| 
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| // Test3
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| struct B2 {
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|   operator const int *(); // expected-note {{conversion to pointer type}}
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| };
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| 
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| struct D2 : B2 {
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|   operator int *(); // expected-note {{conversion to pointer type}}
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| };
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| 
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| void f2 (D2 d)
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| {
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|    delete d; // expected-error {{ambiguous conversion of delete expression of type 'D2' to a pointer}}
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| }
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| 
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| // Test4
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| struct B3 {
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|   operator const int *(); // expected-note {{conversion to pointer type}}
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| };
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| 
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| struct A3 {
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|   operator const int *(); // expected-note {{conversion to pointer type}}
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| };
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| 
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| struct D3 : A3, B3 {
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| };
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| 
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| void f3 (D3 d)
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| {
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|    delete d; // expected-error {{ambiguous conversion of delete expression of type 'D3' to a pointer}}
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| }
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| 
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| // Test5
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| struct X {
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|    operator int();
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|    operator int*();
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| };
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| 
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| void f4(X x) { delete x; delete x; }
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| 
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| // Test6
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| struct X1 {
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|    operator int();
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|    operator int*();
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|    template<typename T> operator T*() const; // converts to any pointer!
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| };
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| 
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| void f5(X1 x) { delete x; }  // OK. In selecting a conversion to pointer function, template convesions are skipped.
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| 
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| // Test7
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| struct Base {
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|    operator int*();
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| };
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| 
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| struct Derived : Base {
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|    // not the same function as Base's non-const operator int()
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|    operator int*() const;
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| };
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| 
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| void foo6(const Derived cd, Derived d) {
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|   // overload resolution selects Derived::operator int*() const;
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|   delete cd;
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|   delete d;
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| }
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| 
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| // Test8
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| struct BB {
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|    template<typename T> operator T*() const;
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| };
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| 
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| struct DD : BB {
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|    template<typename T> operator T*() const; // hides base conversion
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|    operator int *() const;
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| };
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| 
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| void foo7 (DD d)
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| {
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|   // OK. In selecting a conversion to pointer function, template convesions are skipped.
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|   delete d;
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| }
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