1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s
2 
3 void test0() __attribute__((visibility("default")));
4 void test1() __attribute__((visibility("hidden")));
5 void test2() __attribute__((visibility("internal")));
6 
7 // rdar://problem/10753392
8 void test3() __attribute__((visibility("protected"))); // expected-warning {{target does not support 'protected' visibility; using 'default'}}
9 
10 struct __attribute__((visibility("hidden"))) test4; // expected-note {{previous attribute is here}}
11 struct test4;
12 struct __attribute__((visibility("default"))) test4; // expected-error {{visibility does not match previous declaration}}
13 
14 struct test5;
15 struct __attribute__((visibility("hidden"))) test5; // expected-note {{previous attribute is here}}
16 struct __attribute__((visibility("default"))) test5; // expected-error {{visibility does not match previous declaration}}
17 
18 void test6() __attribute__((visibility("default"), // expected-error {{visibility does not match previous declaration}}
19                             visibility("hidden"))); // expected-note {{previous attribute is here}}
20 
21 extern int test7 __attribute__((visibility("default"))); // expected-note {{previous attribute is here}}
22 extern int test7 __attribute__((visibility("hidden"))); // expected-error {{visibility does not match previous declaration}}
23 
24 typedef int __attribute__((visibility("default"))) bar; // expected-warning {{'visibility' attribute ignored}}
25 
26 int x __attribute__((type_visibility("default"))); // expected-error {{'type_visibility' attribute only applies to types and namespaces}}
27 
28 int PR17105 __attribute__((visibility(hidden))); // expected-error {{'visibility' attribute requires a string}}
29