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      1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fblocks -fsyntax-only -fobjc-arc -x objective-c -fobjc-runtime-has-weak %s.result
      2 // RUN: arcmt-test --args -triple x86_64-apple-macosx10.7 -fblocks -fsyntax-only %s > %t
      3 // RUN: diff %t %s.result
      4 
      5 #include "Common.h"
      6 
      7 @interface Foo : NSObject
      8 -(Foo *)something;
      9 @end
     10 
     11 void bar(void (^block)());
     12 
     13 void test1(Foo *p) {
     14   __block Foo *x = p; // __block used just to break cycle.
     15   bar(^{
     16     [x something];
     17   });
     18 }
     19 
     20 void test2(Foo *p) {
     21   __block Foo *x; // __block used as output variable.
     22   bar(^{
     23     x = [p something];
     24   });
     25 }
     26 
     27 void test3(Foo *p) {
     28   __block Foo *x; // __block used as output variable.
     29   bar(^{
     30     [x something];
     31   });
     32   bar(^{
     33     x = 0;
     34   });
     35 }
     36 
     37 void test4(Foo *p) {
     38   __block Foo *x = p; // __block used just to break cycle.
     39   bar(^{
     40     [x something];
     41   });
     42   bar(^{
     43     [x something];
     44   });
     45 }
     46