1// RUN: %clang_cc1 %s -fblocks -triple x86_64-apple-darwin -emit-llvm -o - | FileCheck %s
2// rdar://8594790
3
4extern "C" {
5extern "C" void *_Block_copy(const void *aBlock);
6extern "C" void _Block_release(const void *aBlock);
7}
8
9class A {
10public:
11        int x;
12        A(const A &o);
13        A();
14        virtual ~A();
15        void hello() const;
16};
17
18int
19main()
20{
21        A a;
22        void (^c)(void) = ((__typeof(^{ a.hello(); }))_Block_copy((const void *)(^{ a.hello(); })));
23        c();
24        _Block_release((const void *)(c));
25        return 0;
26}
27
28// CHECK-LABEL: define internal void @__copy_helper_block_
29// CHECK: call void @_ZN1AC1ERKS_
30
31
32// CHECK-LABEL:define internal void @__destroy_helper_block_
33// CHECK: call void @_ZN1AD1Ev
34