128 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify %s
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| 
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| namespace N { struct X { }; };
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| 
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| namespace A = N;
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| 
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| int B; // expected-note {{previous definition is here}}
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| namespace B = N; // expected-error {{redefinition of 'B' as different kind of symbol}}
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| 
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| namespace C { } // expected-note {{previous definition is here}}
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| namespace C = N; // expected-error {{redefinition of 'C'}}
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| 
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| int i;
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| namespace D =
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| i; // expected-error {{expected namespace name}}
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| 
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| namespace E1 = N::
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| Foo; // expected-error {{expected namespace name}}
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| namespace E2 = N::
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| X; // expected-error {{expected namespace name}}
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| 
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| namespace F {
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|   namespace A { namespace B { } } // expected-note {{candidate found by name lookup is 'F::A::B'}}
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|   namespace B { } // expected-note {{candidate found by name lookup is 'F::B'}}
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|   using namespace A;
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|   namespace D = B; // expected-error {{reference to 'B' is ambiguous}}
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| }
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| 
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| namespace G { 
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|   namespace B = N;
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| }
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| 
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| namespace H {
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|   namespace A1 { }
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|   namespace A2 { }
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| 
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|   // These all point to A1.
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|   namespace B = A1; // expected-note {{previous definition is here}}
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|   namespace B = A1;
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|   namespace C = B;
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|   namespace B = C;
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| 
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|   namespace B = A2; // expected-error {{redefinition of 'B' as different kind of symbol}}
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| }
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| 
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| namespace I { 
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|   namespace A1 { int i; }
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|   
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|   namespace A2 = A1;
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| }
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| 
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| int f() {
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|   return I::A2::i;
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| }
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| 
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| namespace J {
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|   namespace A { 
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|     namespace B { void func (); }
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|   }
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| 
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|   namespace C = A;
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| 
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|   using namespace C::B;
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| 
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|   void g() {
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|     func();
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|   }
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| }
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| 
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| namespace K {
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|   namespace KA { void func(); }
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| 
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|   void f() {
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|     namespace KB = KA;
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|     KB::func();
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|   }
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| 
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|   template <class T> void g() {
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|     namespace KC = KA;
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|     KC::func();
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|   }
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|   template void g<int>();
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|   template void g<long>();
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| 
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|   void h() {
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|     KB::func(); // expected-error {{undeclared identifier 'KB'}}
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|     KC::func(); // expected-error {{undeclared identifier 'KC'}}
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|   }
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| }
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| 
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| namespace {
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|   class C1;
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| }
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| namespace {
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|   class C1;
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| }
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| C1 *pc1 = 0;
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| 
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| namespace N {
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|   namespace {
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|     class C2;
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|   }
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| }
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| namespace N {
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|   namespace {
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|     class C2;
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|   }
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| }
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| N::C2 *pc2 = 0;
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| 
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| // PR6341
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| namespace A = N;
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| namespace N { }
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| namespace A = N;
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| 
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| A::X nx;
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| 
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| namespace PR7014 {
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|   namespace X
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|   {
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|     namespace Y {}
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|   }
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| 
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|   using namespace X;
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| 
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|   namespace Y = X::Y;
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| }
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