90 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			90 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
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struct Data { };
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struct T {
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  Data *begin();
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  Data *end();
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};
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struct NoBegin {
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  Data *end();
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};
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struct DeletedEnd : public T {
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  Data *begin();
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  Data *end() = delete; //expected-note {{'end' has been explicitly marked deleted here}}
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};
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struct DeletedADLBegin { };
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int* begin(DeletedADLBegin) = delete; //expected-note {{candidate function has been explicitly deleted}} \
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 expected-note 5 {{candidate function not viable: no known conversion}}
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struct PrivateEnd {
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  Data *begin();
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 private:
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  Data *end(); // expected-note 2 {{declared private here}}
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};
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struct ADLNoEnd { };
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Data * begin(ADLNoEnd); // expected-note 6 {{candidate function not viable: no known conversion}}
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struct OverloadedStar {
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  T operator*();
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};
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void f() {
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  T t;
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  for (auto i : t) { }
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  T *pt;
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  for (auto i : pt) { } // expected-error{{invalid range expression of type 'T *'; did you mean to dereference it with '*'?}}
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  int arr[10];
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  for (auto i : arr) { }
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  int (*parr)[10];
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  for (auto i : parr) { }// expected-error{{invalid range expression of type 'int (*)[10]'; did you mean to dereference it with '*'?}}
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  NoBegin NB;
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  for (auto i : NB) { }// expected-error{{range type 'NoBegin' has 'end' member but no 'begin' member}}
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  NoBegin *pNB;
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  for (auto i : pNB) { }// expected-error{{invalid range expression of type 'NoBegin *'; no viable 'begin' function available}}
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  NoBegin **ppNB;
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  for (auto i : ppNB) { }// expected-error{{invalid range expression of type 'NoBegin **'; no viable 'begin' function available}}
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  NoBegin *****pppppNB;
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  for (auto i : pppppNB) { }// expected-error{{invalid range expression of type 'NoBegin *****'; no viable 'begin' function available}}
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  ADLNoEnd ANE;
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  for (auto i : ANE) { } // expected-error{{invalid range expression of type 'ADLNoEnd'; no viable 'end' function available}}
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  ADLNoEnd *pANE;
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  for (auto i : pANE) { } // expected-error{{invalid range expression of type 'ADLNoEnd *'; no viable 'begin' function available}}
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  DeletedEnd DE;
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  for (auto i : DE) { } // expected-error{{attempt to use a deleted function}} \
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expected-note {{when looking up 'end' function for range expression of type 'DeletedEnd'}}
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  DeletedEnd *pDE;
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  for (auto i : pDE) { } // expected-error {{invalid range expression of type 'DeletedEnd *'; no viable 'begin' function available}}
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  PrivateEnd PE;
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  // FIXME: This diagnostic should be improved, as it does not specify that
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  // the range is invalid.
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  for (auto i : PE) { } // expected-error{{'end' is a private member of 'PrivateEnd'}}
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  PrivateEnd *pPE;
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  for (auto i : pPE) { }// expected-error {{invalid range expression of type 'PrivateEnd *'}}
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  // expected-error@-1 {{'end' is a private member of 'PrivateEnd'}}
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  DeletedADLBegin DAB;
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  for (auto i : DAB) { } // expected-error {{call to deleted function 'begin'}}\
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  expected-note {{when looking up 'begin' function for range expression of type 'DeletedADLBegin'}}
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  OverloadedStar OS;
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  for (auto i : *OS) { }
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  for (auto i : OS) { } // expected-error {{invalid range expression of type 'OverloadedStar'; did you mean to dereference it with '*'?}}
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  for (Data *p : pt) { } // expected-error {{invalid range expression of type 'T *'; did you mean to dereference it with '*'?}}
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  // expected-error@-1 {{no viable conversion from 'Data' to 'Data *'}}
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  // expected-note@4 {{selected 'begin' function with iterator type 'Data *'}}
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}
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