68 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify %s
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| 
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| namespace test0 {
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|   struct BASE { 
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|     operator int &(); // expected-note {{candidate function}}
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|   }; 
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|   struct BASE1 { 
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|     operator int &(); // expected-note {{candidate function}}
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|   }; 
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| 
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|   struct B : public BASE, BASE1 {};
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| 
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|   extern B f(); 
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|   B b1;
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| 
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|   void func(const int ci, const char cc); // expected-note {{candidate function}}
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|   void func(const char ci, const B b); // expected-note {{candidate function}}
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|   void func(const B b, const int ci); // expected-note {{candidate function}}
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| 
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|   const int Test1() {
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| 
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|     func(b1, f()); // expected-error {{call to 'func' is ambiguous}}
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|     return f(); // expected-error {{conversion from 'test0::B' to 'const int' is ambiguous}}
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|   }
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| 
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|   // This used to crash when comparing the two operands.
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|   void func2(const char cc); // expected-note {{candidate function}}
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|   void func2(const int ci); // expected-note {{candidate function}}
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|   void Test2() {
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|     func2(b1); // expected-error {{call to 'func2' is ambiguous}}
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|   }
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| }
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| 
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| namespace test1 {
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|   struct E;
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|   struct A { 
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|     A (E&); 
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|   };
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| 
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|   struct E { 
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|     operator A (); 
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|   };
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| 
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|   struct C { 
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|     C (E&);  
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|   };
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| 
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|   void f1(A);	// expected-note {{candidate function}}
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|   void f1(C);	// expected-note {{candidate function}}
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| 
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|   void Test2()
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|   {
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|     E b;
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|     f1(b);  // expected-error {{call to 'f1' is ambiguous}}	
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|             // ambiguous because b -> C via constructor and
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|             // b -> A via constructor or conversion function.
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|   }
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| }
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| 
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| namespace rdar8876150 {
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|   struct A { operator bool(); };
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|   struct B : A { };
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|   struct C : A { };
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|   struct D : B, C { };
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| 
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|   bool f(D d) { return !d; } // expected-error{{ambiguous conversion from derived class 'rdar8876150::D' to base class 'rdar8876150::A':}}
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| }
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