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      1 // RUN: %clang_cc1 -fblocks -fsyntax-only -fobjc-arc -x objective-c %s.result
      2 // RUN: cp %s %t
      3 // RUN: %clang_cc1 -arcmt-modify -triple x86_64-apple-macosx10.6 -x objective-c %t
      4 // RUN: diff %t %s.result
      5 // RUN: rm %t
      6 
      7 typedef int BOOL;
      8 
      9 id IhaveSideEffect();
     10 
     11 @protocol NSObject
     12 - (BOOL)isEqual:(id)object;
     13 - (id)retain;
     14 - (oneway void)release;
     15 @end
     16 
     17 @interface NSObject <NSObject> {}
     18 @end
     19 
     20 @interface Foo : NSObject {
     21   id bar;
     22 }
     23 @property (retain) id bar;
     24 -(void)test:(id)obj;
     25 @end
     26 
     27 @implementation Foo
     28 
     29 @synthesize bar;
     30 
     31 -(void)test:(id)obj {
     32   id x = self.bar;
     33   [x retain];
     34   self.bar = obj;
     35   // do stuff with x;
     36   [x release];
     37 
     38   [IhaveSideEffect() release];
     39 
     40   [x release], x = 0;
     41 }
     42   
     43 @end
     44 
     45 void func(Foo *p) {
     46   [p release];
     47   (([p release]));
     48 }
     49 
     50 @interface Baz {
     51 	id <NSObject> _foo;
     52 }
     53 @end
     54 
     55 @implementation Baz
     56 - dealloc {
     57   [_foo release];
     58   return 0;
     59 }
     60 @end
     61 
     62 #define RELEASE_MACRO(x) [x release]
     63 #define RELEASE_MACRO2(x) RELEASE_MACRO(x)
     64 
     65 void test2(id p) {
     66   RELEASE_MACRO(p);
     67   RELEASE_MACRO2(p);
     68 }
     69