| Fariborz Jahanian | f85f338 | 2012-08-17 21:44:55 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -verify -fsyntax-only -Wno-private-extern %s |
| Daniel Dunbar | fee07a0 | 2009-02-13 19:23:53 +0000 | [diff] [blame] | 2 | |
| Aaron Ballman | 88fe322 | 2013-12-26 17:30:44 +0000 | [diff] [blame] | 3 | extern int l0 __attribute__((used)); // expected-warning {{'used' attribute ignored}} |
| 4 | __private_extern__ int l1 __attribute__((used)); // expected-warning {{'used' attribute ignored}} |
| Daniel Dunbar | 311bf29 | 2009-02-13 22:48:56 +0000 | [diff] [blame] | 5 | |
| John McCall | 4bb4836 | 2011-01-25 03:51:08 +0000 | [diff] [blame] | 6 | struct __attribute__((used)) s { // expected-warning {{'used' attribute only applies to variables and functions}} |
| Daniel Dunbar | fee07a0 | 2009-02-13 19:23:53 +0000 | [diff] [blame] | 7 | int x; |
| 8 | }; |
| 9 | |
| 10 | int a __attribute__((used)); |
| 11 | |
| 12 | static void __attribute__((used)) f0(void) { |
| 13 | } |
| 14 | |
| 15 | void f1() { |
| Aaron Ballman | 88fe322 | 2013-12-26 17:30:44 +0000 | [diff] [blame] | 16 | static int a __attribute__((used)); |
| 17 | int b __attribute__((used)); // expected-warning {{'used' attribute ignored}} |
| Daniel Dunbar | fee07a0 | 2009-02-13 19:23:53 +0000 | [diff] [blame] | 18 | } |
| 19 | |
| Rafael Espindola | 53192e7 | 2012-11-23 13:54:40 +0000 | [diff] [blame] | 20 | static void __attribute__((used)) f0(void); |