1// Regression test for 2// https://code.google.com/p/address-sanitizer/issues/detail?id=360. 3 4// RUN: %clang_asan %s -o %t -framework Foundation 5// RUN: %run %t 2>&1 | FileCheck %s 6 7#import <Foundation/Foundation.h> 8 9void f() { 10 int y = 7; 11 dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{ 12 dispatch_sync(dispatch_get_main_queue(), ^{ 13 printf("num = %d\n", y); 14 }); 15 }); 16} 17 18int main() { 19 fprintf(stderr,"Hello world"); 20} 21 22// CHECK-NOT: AddressSanitizer: odr-violation 23// CHECK: Hello world 24