13 lines
		
	
	
		
			421 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			421 B
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -std=c++03 -verify %s
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| 
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| class string;
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| void f(const string& s, ...) {  // expected-note {{parameter of type 'const string &' is declared here}}
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|   __builtin_va_list ap;
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|   __builtin_va_start(ap, s); // expected-warning {{passing an object of reference type to 'va_start' has undefined behavior}}
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| }
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| 
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| void g(register int i, ...) {
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|   __builtin_va_list ap;
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|   __builtin_va_start(ap, i); // okay
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| }
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