forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			43 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
// RUN: %clang_cc1 -triple i386-unknown-unknown -fsyntax-only -fno-spell-checking -verify %s
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void invalid_uses() {
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  struct A {
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  };
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  struct A a;
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  void *b;
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  int (*goodfunc)(const char *, ...);
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  int (*badfunc1)(const char *);
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  int (*badfunc2)(int, ...);
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  void (*badfunc3)(const char *, ...);
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  int (*badfunc4)(char *, ...);
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  int (*badfunc5)(void);
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  __builtin_dump_struct();             // expected-error {{too few arguments to function call, expected 2, have 0}}
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  __builtin_dump_struct(1);            // expected-error {{too few arguments to function call, expected 2, have 1}}
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  __builtin_dump_struct(1, 2);         // expected-error {{passing 'int' to parameter of incompatible type structure pointer: type mismatch at 1st parameter ('int' vs structure pointer)}}
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  __builtin_dump_struct(&a, 2);        // expected-error {{passing 'int' to parameter of incompatible type 'int (*)(const char *, ...)': type mismatch at 2nd parameter ('int' vs 'int (*)(const char *, ...)')}}
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  __builtin_dump_struct(b, goodfunc); // expected-error {{passing 'void *' to parameter of incompatible type structure pointer: type mismatch at 1st parameter ('void *' vs structure pointer)}}
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  __builtin_dump_struct(&a, badfunc1); // expected-error {{passing 'int (*)(const char *)' to parameter of incompatible type 'int (*)(const char *, ...)': type mismatch at 2nd parameter ('int (*)(const char *)' vs 'int (*)(const char *, ...)')}}
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  __builtin_dump_struct(&a, badfunc2); // expected-error {{passing 'int (*)(int, ...)' to parameter of incompatible type 'int (*)(const char *, ...)': type mismatch at 2nd parameter ('int (*)(int, ...)' vs 'int (*)(const char *, ...)')}}
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  __builtin_dump_struct(&a, badfunc3); // expected-error {{passing 'void (*)(const char *, ...)' to parameter of incompatible type 'int (*)(const char *, ...)': type mismatch at 2nd parameter ('void (*)(const char *, ...)' vs 'int (*)(const char *, ...)')}}
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  __builtin_dump_struct(&a, badfunc4); // expected-error {{passing 'int (*)(char *, ...)' to parameter of incompatible type 'int (*)(const char *, ...)': type mismatch at 2nd parameter ('int (*)(char *, ...)' vs 'int (*)(const char *, ...)')}}
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  __builtin_dump_struct(&a, badfunc5); // expected-error {{passing 'int (*)(void)' to parameter of incompatible type 'int (*)(const char *, ...)': type mismatch at 2nd parameter ('int (*)(void)' vs 'int (*)(const char *, ...)')}}
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  __builtin_dump_struct(a, goodfunc);  // expected-error {{passing 'struct A' to parameter of incompatible type structure pointer: type mismatch at 1st parameter ('struct A' vs structure pointer)}}
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}
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void valid_uses() {
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  struct A {
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  };
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  union B {
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  };
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  int (*goodfunc)(const char *, ...);
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  int (*goodfunc2)();
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  struct A a;
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  union B b;
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  __builtin_dump_struct(&a, goodfunc);
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  __builtin_dump_struct(&b, goodfunc);
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  __builtin_dump_struct(&a, goodfunc2);
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}
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