1*67e74705SXin Li// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fblocks -fsyntax-only -fobjc-arc -x objective-c -fobjc-runtime-has-weak %s.result 2*67e74705SXin Li// RUN: arcmt-test --args -triple x86_64-apple-macosx10.7 -fblocks -fsyntax-only %s > %t 3*67e74705SXin Li// RUN: diff %t %s.result 4*67e74705SXin Li 5*67e74705SXin Li#include "Common.h" 6*67e74705SXin Li 7*67e74705SXin Li@interface Foo : NSObject 8*67e74705SXin Li-(Foo *)something; 9*67e74705SXin Li@end 10*67e74705SXin Li 11*67e74705SXin Livoid bar(void (^block)()); 12*67e74705SXin Li 13*67e74705SXin Livoid test1(Foo *p) { 14*67e74705SXin Li __weak Foo *x = p; // __block used just to break cycle. 15*67e74705SXin Li bar(^{ 16*67e74705SXin Li [x something]; 17*67e74705SXin Li }); 18*67e74705SXin Li} 19*67e74705SXin Li 20*67e74705SXin Livoid test2(Foo *p) { 21*67e74705SXin Li __block Foo *x; // __block used as output variable. 22*67e74705SXin Li bar(^{ 23*67e74705SXin Li x = [p something]; 24*67e74705SXin Li }); 25*67e74705SXin Li} 26*67e74705SXin Li 27*67e74705SXin Livoid test3(Foo *p) { 28*67e74705SXin Li __block Foo *x; // __block used as output variable. 29*67e74705SXin Li bar(^{ 30*67e74705SXin Li [x something]; 31*67e74705SXin Li }); 32*67e74705SXin Li bar(^{ 33*67e74705SXin Li x = 0; 34*67e74705SXin Li }); 35*67e74705SXin Li} 36*67e74705SXin Li 37*67e74705SXin Livoid test4(Foo *p) { 38*67e74705SXin Li __weak Foo *x = p; // __block used just to break cycle. 39*67e74705SXin Li bar(^{ 40*67e74705SXin Li [x something]; 41*67e74705SXin Li }); 42*67e74705SXin Li bar(^{ 43*67e74705SXin Li [x something]; 44*67e74705SXin Li }); 45*67e74705SXin Li} 46