forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			78 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -fms-extensions -fsyntax-only -verify %s
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// RUN: %clang_cc1 -fms-extensions -fdelayed-template-parsing -fsyntax-only -verify %s
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class A {
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public:
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  template<class U> A(U p) {}
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  template<> A(int p) {
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    // expected-warning@-1 {{explicit specialization of 'A' within class scope is a Microsoft extension}}
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  }
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  template<class U> void f(U p) {}
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  template<> void f(int p) {
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    // expected-warning@-1 {{explicit specialization of 'f' within class scope is a Microsoft extension}}
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  }
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  void f(int p) {}
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};
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void test1() {
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  A a(3);
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  char *b;
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  a.f(b);
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  a.f<int>(99);
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  a.f(100);
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}
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template<class T> class B {
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public:
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  template<class U> B(U p) {}
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  template<> B(int p) {
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    // expected-warning@-1 {{explicit specialization of 'B<T>' within class scope is a Microsoft extension}}
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  }
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  template<class U> void f(U p) { T y = 9; }
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  template<> void f(int p) {
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    // expected-warning@-1 {{explicit specialization of 'f' within class scope is a Microsoft extension}}
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    T a = 3;
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  }
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  void f(int p) { T a = 3; }
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};
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void test2() {
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  B<char> b(3);
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  char *ptr;
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  b.f(ptr);
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  b.f<int>(99);
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  b.f(100);
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}
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namespace PR12709 {
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  template<class T> class TemplateClass {
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    void member_function() { specialized_member_template<false>(); }
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    template<bool b> void specialized_member_template() {}
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    template<> void specialized_member_template<false>() {
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      // expected-warning@-1 {{explicit specialization of 'specialized_member_template' within class scope is a Microsoft extension}}
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    }
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  };
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  void f() { TemplateClass<int> t; }
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}
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namespace Duplicates {
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  template<typename T> struct A {
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    template<typename U> void f();
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    template<> void f<int>() {} // expected-warning {{Microsoft extension}}
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    template<> void f<T>() {} // expected-warning {{Microsoft extension}}
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  };
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  // FIXME: We should diagnose the duplicate explicit specialization definitions
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  // here.
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  template struct A<int>;
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}
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