51 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -verify %s -std=c++20
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// We avoid printing the name of an inline namespace unless it's necessary to
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// uniquely identify the target.
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namespace N {
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  inline namespace A {
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    inline namespace B {
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      inline namespace C {
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        int f, g, h, i, j;
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        struct f; struct g; struct h; struct i; struct j;
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      }
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      struct g;
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      struct j;
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    }
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    struct h;
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  }
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  struct i;
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  struct j;
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  template<int*> struct Q; // expected-note 5{{here}}
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  Q<&A::B::C::f> q1; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::f>'}}
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  Q<&A::B::C::g> q2; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::C::g>'}}
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  Q<&A::B::C::h> q3; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::B::h>'}}
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  Q<&A::B::C::i> q4; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::A::i>'}}
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  Q<&A::B::C::j> q5; // expected-error {{implicit instantiation of undefined template 'N::Q<&N::C::j>'}}
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  template<typename> struct R; // expected-note 5{{here}}
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  R<struct A::B::C::f> r1; // expected-error {{implicit instantiation of undefined template 'N::R<N::f>'}}
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  R<struct A::B::C::g> r2; // expected-error {{implicit instantiation of undefined template 'N::R<N::C::g>'}}
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  R<struct A::B::C::h> r3; // expected-error {{implicit instantiation of undefined template 'N::R<N::B::h>'}}
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  R<struct A::B::C::i> r4; // expected-error {{implicit instantiation of undefined template 'N::R<N::A::i>'}}
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  R<struct A::B::C::j> r5; // expected-error {{implicit instantiation of undefined template 'N::R<N::C::j>'}}
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  // Make the name N::C ambiguous.
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  inline namespace A { int C; }
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  template<int*> struct S; // expected-note 5{{here}}
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  S<&A::B::C::f> s1; // expected-error {{implicit instantiation of undefined template 'N::S<&N::f>'}}
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  S<&A::B::C::g> s2; // expected-error {{implicit instantiation of undefined template 'N::S<&N::B::C::g>'}}
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  S<&A::B::C::h> s3; // expected-error {{implicit instantiation of undefined template 'N::S<&N::B::h>'}}
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  S<&A::B::C::i> s4; // expected-error {{implicit instantiation of undefined template 'N::S<&N::A::i>'}}
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  S<&A::B::C::j> s5; // expected-error {{implicit instantiation of undefined template 'N::S<&N::B::C::j>'}}
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  template<typename> struct T; // expected-note 5{{here}}
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  T<struct A::B::C::f> t1; // expected-error {{implicit instantiation of undefined template 'N::T<N::f>'}}
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  T<struct A::B::C::g> t2; // expected-error {{implicit instantiation of undefined template 'N::T<N::B::C::g>'}}
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  T<struct A::B::C::h> t3; // expected-error {{implicit instantiation of undefined template 'N::T<N::B::h>'}}
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  T<struct A::B::C::i> t4; // expected-error {{implicit instantiation of undefined template 'N::T<N::A::i>'}}
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  T<struct A::B::C::j> t5; // expected-error {{implicit instantiation of undefined template 'N::T<N::B::C::j>'}}
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}
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