1// RUN: %clang_cc1 -fblocks -emit-llvm %s -fobjc-gc -o - | FileCheck %s 2 3// CHECK: objc_assign_strongCast 4 5typedef __SIZE_TYPE__ size_t; 6void * malloc(size_t size); 7 8typedef struct { 9 void (^ivarBlock)(void); 10} StructWithBlock_t; 11 12int main(int argc, char *argv[]) { 13 StructWithBlock_t *swbp = (StructWithBlock_t *)malloc(sizeof(StructWithBlock_t*)); 14 __block int i = 10; 15 // assigning a Block into an struct slot should elicit a write-barrier under GC 16 swbp->ivarBlock = ^ { ++i; }; 17 return 0; 18} 19