27 lines
		
	
	
		
			779 B
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			779 B
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -fsyntax-only -verify %s
 | |
| 
 | |
| @interface A
 | |
| @end
 | |
| 
 | |
| void f0(__strong A**); // expected-note{{passing argument to parameter here}}
 | |
| 
 | |
| void test_f0() {
 | |
|   A *a;
 | |
|   static __weak A *a2;
 | |
|   f0(&a);
 | |
|   f0(&a2); // expected-warning{{passing 'A *__weak *' to parameter of type 'A *__strong *' discards qualifiers}} 
 | |
| }
 | |
| 
 | |
| void f1(__weak A**); // expected-note{{passing argument to parameter here}}
 | |
| 
 | |
| void test_f1() {
 | |
|   A *a;
 | |
|   __strong A *a2;
 | |
|   f1(&a);
 | |
|   f1(&a2); // expected-warning{{passing 'A *__strong *' to parameter of type 'A *__weak *' discards qualifiers}} 
 | |
| }
 | |
| 
 | |
| // These qualifiers should silently expand to nothing in GC mode.
 | |
| void test_unsafe_unretained(__unsafe_unretained id *x) {}
 | |
| void test_autoreleasing(__autoreleasing id *x) {}
 |