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      1 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.6 -fsyntax-only -fobjc-runtime-has-weak -fobjc-arc -x objective-c %s.result
      2 // RUN: arcmt-test --args -triple x86_64-apple-macosx10.6 -fsyntax-only -fobjc-gc-only -x objective-c %s > %t
      3 // RUN: diff %t %s.result
      4 // RUN: arcmt-test --args -triple x86_64-apple-macosx10.6 -fsyntax-only -fobjc-gc-only -x objective-c++ %s > %t
      5 // RUN: diff %t %s.result
      6 
      7 #include "Common.h"
      8 #include "GC.h"
      9 
     10 void test1(CFTypeRef *cft) {
     11   id x = NSMakeCollectable(cft);
     12 }
     13 
     14 @interface I1
     15 @end
     16 
     17 @implementation I1
     18 -(void)dealloc {
     19   // dealloc
     20   test1(0);
     21 }
     22 
     23 -(void)finalize {
     24   // finalize
     25   test1(0);
     26 }
     27 @end
     28 
     29 @interface I2
     30 @property (retain) id prop;
     31 @end
     32 
     33 @implementation I2
     34 @synthesize prop;
     35 
     36 -(void)finalize {
     37   self.prop = 0;
     38   // finalize
     39   test1(0);
     40 }
     41 @end
     42 
     43 __attribute__((objc_arc_weak_reference_unavailable))
     44 @interface QQ {
     45   __weak id s;
     46   __weak QQ *q;
     47 }
     48 @end
     49 
     50 @interface I3
     51 @property (assign) I3 *__weak pw1, *__weak pw2;
     52 @property (assign) I3 *__strong ps;
     53 @property (assign) I3 * pds;
     54 @end
     55 
     56 @interface I4Impl {
     57   I4Impl *pds2;
     58 }
     59 @property (assign) I4Impl *__weak pw1, *__weak pw2;
     60 @property (assign) I4Impl *__strong ps;
     61 @property (assign) I4Impl * pds;
     62 @property (assign) I4Impl * pds2;
     63 @end
     64 
     65 @implementation I4Impl
     66 @synthesize pw1, pw2, ps, pds, pds2;
     67 
     68 -(void)test1:(CFTypeRef *)cft {
     69   id x = NSMakeCollectable(cft);
     70 }
     71 @end
     72 
     73 @interface I5 {
     74   __weak id prop;
     75 }
     76 @property (readonly) __weak id prop;
     77 @end
     78