1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s
2static id __attribute((objc_gc(weak))) a;
3static id __attribute((objc_gc(strong))) b;
4
5static id __attribute((objc_gc())) c; // expected-error{{'objc_gc' attribute requires a string}}
6static id __attribute((objc_gc(123))) d; // expected-error{{'objc_gc' attribute requires a string}}
7static id __attribute((objc_gc(foo, 456))) e; // expected-error{{'objc_gc' attribute takes one argument}}
8static id __attribute((objc_gc(hello))) f; // expected-warning{{'objc_gc' attribute argument not supported: 'hello'}}
9
10static int __attribute__((objc_gc(weak))) g; // expected-warning {{'objc_gc' only applies to pointer types; type here is 'int'}}
11
12static __weak int h; // expected-warning {{'__weak' only applies to pointer types; type here is 'int'}}
13
14// TODO: it would be great if this reported as __weak
15#define WEAK __weak
16static WEAK int h; // expected-warning {{'objc_gc' only applies to pointer types; type here is 'int'}}
17
18/* expected-warning {{'__weak' only applies to pointer types; type here is 'int'}}*/ static __we\
19ak int i;
20
21// rdar://problem/9126213
22void test2(id __attribute((objc_gc(strong))) *strong,
23           id __attribute((objc_gc(weak))) *weak) {
24  void *opaque;
25  opaque = strong;
26  strong = opaque;
27
28  opaque = weak;
29  weak = opaque;
30}
31