| // RUN: %clang_cc1 -fblocks -emit-llvm %s -fobjc-gc -o - | FileCheck %s | |
| // CHECK: objc_assign_strongCast | |
| // rdar://5541393 | |
| typedef __SIZE_TYPE__ size_t; | |
| void * malloc(size_t size); | |
| typedef struct { | |
| void (^ivarBlock)(void); | |
| } StructWithBlock_t; | |
| int main(int argc, char *argv[]) { | |
| StructWithBlock_t *swbp = (StructWithBlock_t *)malloc(sizeof(StructWithBlock_t*)); | |
| __block int i = 10; | |
| // assigning a Block into an struct slot should elicit a write-barrier under GC | |
| swbp->ivarBlock = ^ { ++i; }; | |
| return 0; | |
| } |