Daniel Dunbar | ea75a82 | 2010-05-27 00:04:40 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple i686-apple-darwin9 %s -fsyntax-only -verify |
| 2 | |
| 3 | // Check that #pragma pack and #pragma options share the same stack. |
| 4 | |
| 5 | #pragma pack(push, 1) |
| 6 | struct s0 { |
| 7 | char c; |
| 8 | int x; |
| 9 | }; |
| 10 | extern int a[sizeof(struct s0) == 5 ? 1 : -1]; |
| 11 | |
| 12 | #pragma options align=natural |
| 13 | struct s1 { |
| 14 | char c; |
| 15 | int x; |
| 16 | }; |
| 17 | extern int a[sizeof(struct s1) == 8 ? 1 : -1]; |
| 18 | |
Daniel Dunbar | 638e7cf | 2010-05-27 18:42:09 +0000 | [diff] [blame] | 19 | #pragma options align=reset |
| 20 | #pragma options align=native |
| 21 | struct s1_1 { |
| 22 | char c; |
| 23 | int x; |
| 24 | }; |
| 25 | extern int a[sizeof(struct s1_1) == 8 ? 1 : -1]; |
| 26 | |
Daniel Dunbar | ea75a82 | 2010-05-27 00:04:40 +0000 | [diff] [blame] | 27 | #pragma pack(pop) |
| 28 | struct s2 { |
| 29 | char c; |
| 30 | int x; |
| 31 | }; |
| 32 | extern int a[sizeof(struct s2) == 5 ? 1 : -1]; |
| 33 | #pragma pack(pop) |
| 34 | |
| 35 | struct s3 { |
| 36 | char c; |
| 37 | int x; |
| 38 | }; |
| 39 | extern int a[sizeof(struct s3) == 8 ? 1 : -1]; |
| 40 | |
| 41 | /* expected-warning {{#pragma options align=reset failed: stack empty}} */ #pragma options align=reset |
| 42 | /* expected-warning {{#pragma pack(pop, ...) failed: stack empty}} */ #pragma pack(pop) |