29 lines
		
	
	
		
			744 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			744 B
		
	
	
	
		
			C++
		
	
	
	
	
	
// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
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enum E2 { };
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struct A { 
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  operator E2&(); // expected-note 3 {{candidate function}}
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};
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struct B { 
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  operator E2&(); // expected-note 3 {{candidate function}}
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};
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struct C : B, A { 
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};
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void test(C c) {
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  const E2 &e2 = c; // expected-error {{reference initialization of type 'const E2 &' with initializer of type 'C' is ambiguous}}
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}
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void foo(const E2 &);// expected-note{{passing argument to parameter here}}
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const E2 & re(C c) {
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    foo(c); // expected-error {{reference initialization of type 'const E2 &' with initializer of type 'C' is ambiguous}}
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    return c; // expected-error {{reference initialization of type 'const E2 &' with initializer of type 'C' is ambiguous}}
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}
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