1// RUN: %clang_cc1 -x objective-c -Wno-return-type -fblocks -fms-extensions -rewrite-objc -fobjc-runtime=macosx-fragile-10.5 %s -o %t-rw.cpp
2// RUN: %clang_cc1 -fsyntax-only -fblocks -Wno-address-of-temporary -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
3// rdar://8918702
4
5typedef void (^b_t)(void);
6void a(b_t work) { }
7struct _s {
8    int a;
9};
10struct _s *r();
11
12void f() {
13    __block struct _s *s = 0;
14    a(^{
15        s = (struct _s *)r();
16    });
17}
18