50 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -fms-extensions -fsyntax-only -verify %s -Wno-microsoft
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// RUN: %clang_cc1 -fms-extensions -fdelayed-template-parsing -fsyntax-only -verify %s -Wno-microsoft
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class A {
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public:
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  template<typename T> struct X { typedef int x; };
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  X<int>::x a; // expected-note {{implicit instantiation first required here}}
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  template<> struct X<int>; // expected-error {{explicit specialization of 'A::X<int>' after instantiation}}
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  template<> struct X<char>; // expected-note {{forward declaration}}
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  X<char>::x b; // expected-error {{incomplete type 'A::X<char>' named in nested name specifier}}
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  template<> struct X<double> {
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    typedef int y;
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  };
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  X<double>::y c;
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  template<> struct X<float> {}; // expected-note {{previous definition is here}}
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  template<> struct X<float> {}; // expected-error {{redefinition of 'A::X<float>'}}
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};
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A::X<void>::x axv;
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A::X<float>::x axf; // expected-error {{no type named 'x'}}
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template<class T> class B {
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public:
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  template<typename U> struct X { typedef int x; };
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  typename X<int>::x a; // expected-note {{implicit instantiation first required here}}
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  template<> struct X<int>; // expected-error {{explicit specialization of 'X<int>' after instantiation}}
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  template<> struct X<char>; // expected-note {{forward declaration}}
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  typename X<char>::x b; // expected-error {{incomplete type 'B<float>::X<char>' named in nested name specifier}}
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  template<> struct X<double> {
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    typedef int y;
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  };
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  typename X<double>::y c;
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  template<> struct X<float> {}; // expected-note {{previous definition is here}}
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  template<> struct X<T> {}; // expected-error {{redefinition of 'X<float>'}}
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};
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B<float> b; // expected-note {{in instantiation of}}
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