1// RUN: %clang_asan %s -o %t -framework Foundation 2// RUN: %run %t 2>&1 | FileCheck %s 3 4#import <Foundation/Foundation.h> 5 6struct MyStruct { 7 long a, b, c, d; 8}; 9 10@interface MyClass: NSObject 11- (MyStruct)methodWhichReturnsARect; 12@end 13@implementation MyClass 14- (MyStruct)methodWhichReturnsARect { 15 MyStruct s; 16 s.a = 10; 17 s.b = 20; 18 s.c = 30; 19 s.d = 40; 20 return s; 21} 22@end 23 24int main() { 25 MyClass *myNil = nil; // intentionally nil 26 [myNil methodWhichReturnsARect]; 27 fprintf(stderr, "Hello world"); 28} 29 30// CHECK-NOT: AddressSanitizer: stack-use-after-scope 31// CHECK: Hello world 32