block-readweakgcivar.C [plain text]
#import <Foundation/Foundation.h>
void * _NSConcreteStackBlock;
void _Block_byref_assign_copy(void * dst, void *src){}
void _Block_byref_release(void*src){}
int GlobalInt = 0;
int GlobalInt2 = 0;
id objc_assign_weak(id value, id *location) {
GlobalInt = 1;
*location = value;
return value;
}
id objc_read_weak(id *location) {
GlobalInt2 = 1;
return *location;
}
@interface Foo : NSObject {
@public
void (^__weak ivar)(void);
}
@end
@implementation Foo
@end
int main(char *argc, char *argv[]) {
__block int i = 0;
void (^local)(void);
Foo *foo = [[Foo alloc] init];
foo->ivar = ^ { ++i; };
local = foo->ivar;
if (GlobalInt2 == 1) {
printf("%s: success\n", argv[0]);
exit(0);
} else {
printf("%s: problem with weak read of ivar\n", argv[0]);
}
exit(1);
}