55 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // RUN: %clang_cc1 -triple x86_64-pc-linux  -fsyntax-only -verify -emit-llvm-only %s
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| 
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| void f1(void) __attribute__((alias("g1")));
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| void g1(void) {
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| }
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| 
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| void f2(void) __attribute__((alias("g2"))); // expected-error {{alias must point to a defined variable or function}}
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| 
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| 
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| void f3(void) __attribute__((alias("g3"))); // expected-error {{alias must point to a defined variable or function}}
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| void g3(void);
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| 
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| 
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| void f4() __attribute__((alias("g4")));
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| void g4() {}
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| void h4() __attribute__((alias("f4")));
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| 
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| void f5() __attribute__((alias("g5")));
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| void h5() __attribute__((alias("f5")));
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| void g5() {}
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| 
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| void g6() {}
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| void f6() __attribute__((alias("g6")));
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| void h6() __attribute__((alias("f6")));
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| 
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| void g7() {}
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| void h7() __attribute__((alias("f7")));
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| void f7() __attribute__((alias("g7")));
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| 
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| void h8() __attribute__((alias("f8")));
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| void g8() {}
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| void f8() __attribute__((alias("g8")));
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| 
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| void h9() __attribute__((alias("f9")));
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| void f9() __attribute__((alias("g9")));
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| void g9() {}
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| 
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| void f10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}}
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| void g10() __attribute__((alias("f10"))); // expected-error {{alias definition is part of a cycle}}
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| 
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| // FIXME: This could be a bit better, h10 is not part of the cycle, it points
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| // to it.
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| void h10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}}
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| 
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| extern int a1 __attribute__((alias("b1")));
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| int b1 = 42;
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| 
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| extern int a2 __attribute__((alias("b2"))); // expected-error {{alias must point to a defined variable or function}}
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| 
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| extern int a3 __attribute__((alias("b3"))); // expected-error {{alias must point to a defined variable or function}}
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| extern int b3;
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| 
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| extern int a4 __attribute__((alias("b4"))); // expected-error {{alias must point to a defined variable or function}}
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| typedef int b4;
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