forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			25 lines
		
	
	
		
			992 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			992 B
		
	
	
	
		
			C
		
	
	
	
| // RUN: %clang_cc1 -std=gnu89 -fsyntax-only -verify %s
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| // RUN: %clang_cc1 -fsyntax-only -verify %s
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| 
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| #if __STDC_VERSION__ >= 199901
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| #define GNU_INLINE __attribute((__gnu_inline__))
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| #else
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| #define GNU_INLINE
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| #endif
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| 
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| // PR5253
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| // rdar://9559708 (same extension in C99 mode)
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| // GNU Extension: check that we can redefine an extern inline function
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| GNU_INLINE extern inline int f(int a) {return a;}
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| int f(int b) {return b;} // expected-note{{previous definition is here}}
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| // And now check that we can't redefine a normal function
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| int f(int c) {return c;} // expected-error{{redefinition of 'f'}}
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| 
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| // Check that we can redefine an extern inline function as a static function
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| GNU_INLINE extern inline int g(int a) {return a;}
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| static int g(int b) {return b;}
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| 
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| // Check that we ensure the types of the two definitions are the same
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| GNU_INLINE extern inline int h(int a) {return a;} // expected-note{{previous definition is here}}
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| int h(short b) {return b;}  // expected-error{{conflicting types for 'h'}}
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