38 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
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| // RUN: %clang_cc1 -fsyntax-only -pedantic -verify -std=c++98 %s
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| // RUN: %clang_cc1 -fsyntax-only -pedantic -verify -std=c++11 %s
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| 
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| struct ValueInt
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| {
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|   ValueInt(int v = 0) : ValueLength(v) {}
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|   operator int () const { return ValueLength; } // expected-note 3{{conversion to integral type 'int' declared here}}
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| private:
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|   int ValueLength;
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| };
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| 
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| enum E { e };
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| struct ValueEnum {
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|   operator E() const; // expected-note{{conversion to enumeration type 'E' declared here}}
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| };
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| 
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| struct ValueBoth : ValueInt, ValueEnum { };
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| 
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| struct IndirectValueInt : ValueInt { };
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| struct TwoValueInts : ValueInt, IndirectValueInt { }; // expected-warning{{direct base 'ValueInt' is inaccessible due to ambiguity:\n    struct TwoValueInts -> struct ValueInt\n    struct TwoValueInts -> struct IndirectValueInt -> struct ValueInt}}
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| 
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| 
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| void test() {
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|   (void)new int[ValueInt(10)];
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| #if __cplusplus <= 199711L // C++03 or earlier modes
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|   // expected-warning@-2{{implicit conversion from array size expression of type 'ValueInt' to integral type 'int' is a C++11 extension}}
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| #endif
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| 
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|   (void)new int[ValueEnum()];
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| #if __cplusplus <= 199711L
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| // expected-warning@-2{{implicit conversion from array size expression of type 'ValueEnum' to enumeration type 'E' is a C++11 extension}}
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| #endif
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|   (void)new int[ValueBoth()]; // expected-error{{ambiguous conversion of array size expression of type 'ValueBoth' to an integral or enumeration type}}
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| 
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|   (void)new int[TwoValueInts()]; // expected-error{{ambiguous conversion of array size expression of type 'TwoValueInts' to an integral or enumeration type}}
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| }
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