1 | // RUN: %clang_cc1 -fblocks -emit-llvm %s -fobjc-gc -o - | FileCheck %s |
2 | |
3 | // CHECK: objc_assign_strongCast |
4 | // rdar://5541393 |
5 | |
6 | typedef __SIZE_TYPE__ size_t; |
7 | void * malloc(size_t size); |
8 | |
9 | typedef struct { |
10 | void (^ivarBlock)(void); |
11 | } StructWithBlock_t; |
12 | |
13 | int main(int argc, char *argv[]) { |
14 | StructWithBlock_t *swbp = (StructWithBlock_t *)malloc(sizeof(StructWithBlock_t*)); |
15 | __block int i = 10; |
16 | // assigning a Block into an struct slot should elicit a write-barrier under GC |
17 | swbp->ivarBlock = ^ { ++i; }; |
18 | return 0; |
19 | } |
20 | |