51 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
			
		
		
	
	
			51 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
| // RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin11 -fobjc-runtime-has-weak -fsyntax-only -fobjc-arc -verify %s
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| // rdar://9693477
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| 
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| __attribute__((objc_arc_weak_reference_unavailable))
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| @interface NSOptOut1072  // expected-note {{class is declared here}}
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| @end
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| 
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| @interface sub : NSOptOut1072 @end // expected-note 2 {{class is declared here}}
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| 
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| int main() {
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|   __weak sub *w2; // expected-error {{class is incompatible with __weak references}}
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| 
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|   __weak NSOptOut1072 *ns1; // expected-error {{class is incompatible with __weak references}}
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| 
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|   id obj;
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| 
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|   ns1 = (__weak sub *)obj; // expected-error {{assignment of a weak-unavailable object to a __weak object}} \
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|                            // expected-error {{class is incompatible with __weak references}} \
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|                            // expected-error {{explicit ownership qualifier on cast result has no effect}}
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| }
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| 
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| // rdar://9732636
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| __attribute__((objc_arc_weak_reference_unavailable))
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| @interface NOWEAK
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| + (id) new;
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| @end
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| 
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| NOWEAK * Test1() {
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|   NOWEAK * strong1 = [NOWEAK new];
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|   __weak id weak1;
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|   weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
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| 
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|   __weak id weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
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|   return (__weak id)strong1; // expected-error {{cast of weak-unavailable object of type 'NOWEAK *' to a __weak object of type '__weak id'}} \
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|                              // expected-error {{explicit ownership qualifier on cast result has no effect}}
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| }
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| 
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| @protocol P @end
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| @protocol P1 @end
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| 
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| NOWEAK<P, P1> * Test2() {
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|   NOWEAK<P, P1> * strong1 = 0;
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|   __weak id<P> weak1;
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|   weak1 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
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| 
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|   __weak id<P> weak2 = strong1; // expected-error {{assignment of a weak-unavailable object to a __weak object}}
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|   return (__weak id<P, P1>)strong1; // expected-error {{cast of weak-unavailable object of type 'NOWEAK<P,P1> *' to a __weak object of type '__weak id<P,P1>'}} \
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|                                     // expected-error {{explicit ownership qualifier on cast result has no effect}}
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| }
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| 
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