| Eli Friedman | a91d38a | 2011-12-02 02:38:48 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -fsyntax-only -verify -ffreestanding |
| 2 | // <rdar://problem/10494810> and PR9560 |
| 3 | // Check #pragma pack handling with bitfields. |
| 4 | |
| 5 | #include <stddef.h> |
| 6 | #pragma pack(2) |
| 7 | |
| 8 | struct s0 { |
| 9 | char f1; |
| 10 | unsigned f2 : 32; |
| 11 | char f3; |
| 12 | }; |
| 13 | extern int check[sizeof(struct s0) == 6 ? 1 : -1]; |
| 14 | |
| 15 | struct s1 { |
| 16 | char f1; |
| 17 | unsigned : 0; |
| 18 | char f3; |
| 19 | }; |
| 20 | extern int check[sizeof(struct s1) == 5 ? 1 : -1]; |
| 21 | |
| 22 | struct s2 { |
| 23 | char f1; |
| 24 | unsigned : 0; |
| 25 | unsigned f3 : 8; |
| 26 | char f4; |
| 27 | }; |
| 28 | extern int check[sizeof(struct s2) == 6 ? 1 : -1]; |
| 29 | |
| 30 | struct s3 { |
| 31 | char f1; |
| 32 | unsigned : 0; |
| 33 | unsigned f3 : 16; |
| 34 | char f4; |
| 35 | }; |
| 36 | extern int check[sizeof(struct s3) == 8 ? 1 : -1]; |
| 37 | extern int check[offsetof(struct s3, f4) == 6 ? 1 : -1]; |
| 38 | |
| 39 | struct s4 { |
| 40 | char f1; |
| 41 | unsigned f2 : 8; |
| 42 | char f3; |
| 43 | }; |
| 44 | extern int check[sizeof(struct s4) == 4 ? 1 : -1]; |
| 45 | extern int check[offsetof(struct s4, f3) == 2 ? 1 : -1]; |