1 | // RUN: %clang_cc1 -fsyntax-only -fobjc-runtime-has-weak -fobjc-weak -fblocks -Wno-objc-root-class -std=c++98 -Wno-c++0x-extensions -verify %s |
2 | |
3 | @interface AnObject |
4 | @property(weak) id value; |
5 | @end |
6 | |
7 | __attribute__((objc_arc_weak_reference_unavailable)) |
8 | @interface NOWEAK : AnObject // expected-note 2 {{class is declared here}} |
9 | @end |
10 | |
11 | struct S { |
12 | __weak id a; // expected-note {{because type 'S' has a member with __weak ownership}} |
13 | }; |
14 | |
15 | union U { |
16 | __weak id a; |
17 | S b; // expected-error {{union member 'b' has a non-trivial copy constructor}} |
18 | }; |
19 | |
20 | void testCast(AnObject *o) { |
21 | __weak id a = reinterpret_cast<__weak NOWEAK *>(o); // expected-error {{class is incompatible with __weak references}} \ |
22 | // expected-error {{explicit ownership qualifier on cast result has no effect}} \ |
23 | // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
24 | |
25 | __weak id b = static_cast<__weak NOWEAK *>(o); // expected-error {{class is incompatible with __weak references}} \ |
26 | // expected-error {{explicit ownership qualifier on cast result has no effect}} \ |
27 | // expected-error {{assignment of a weak-unavailable object to a __weak object}} |
28 | } |
29 | |