forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			48 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			48 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify %s
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| template<typename T, typename U = float> struct A { };
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| 
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| typedef A<int> A_int;
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| 
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| typedef float FLOAT;
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| 
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| A<int, FLOAT> *foo(A<int> *ptr, A<int> const *ptr2, A<int, double> *ptr3) {
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|   if (ptr)
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|     return ptr; // okay
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|   else if (ptr2)
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|     return ptr2; // expected-error{{cannot initialize return object of type 'A<int, FLOAT> *' with an lvalue of type 'const A<int> *'}}
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|   else {
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|     return ptr3; // expected-error{{cannot initialize return object of type 'A<int, FLOAT> *' with an lvalue of type 'A<int, double> *'}}
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|   }
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| }
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| 
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| template<int I> struct B;
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| 
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| const int value = 12;
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| B<17 + 2> *bar(B<(19)> *ptr1, B< (::value + 7) > *ptr2, B<19 - 3> *ptr3) {
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|   if (ptr1)
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|     return ptr1;
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|   else if (ptr2)
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|     return ptr2;
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|   else
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|     return ptr3; // expected-error{{cannot initialize return object of type 'B<17 + 2> *' with an lvalue of type 'B<19 - 3>}}
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| }
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| 
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| typedef B<5> B5;
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| 
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| 
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| namespace N {
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|   template<typename T> struct C {};
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| }
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| 
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| N::C<int> c1;
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| typedef N::C<float> c2;
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| 
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| // PR5655
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| template<typename T> struct Foo { }; // expected-note{{template is declared here}}
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| 
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| void f(void) { Foo bar; } // expected-error{{without a template argument list}}
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| 
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| // rdar://problem/8254267
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| template <typename T> class Party;
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| template <> class Party<T> { friend struct Party<>; }; // expected-error {{use of undeclared identifier 'T'}}
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