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 | |
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 | |
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 | #pragma pack(push,2) |
42 | #pragma options align=power |
43 | struct s4 { |
44 | char c; |
45 | int x; |
46 | }; |
47 | #pragma pack(pop) |
48 | #pragma options align=reset |
49 | extern int a[sizeof(struct s4) == 8 ? 1 : -1]; |
50 | |
51 | /* expected-warning {{#pragma options align=reset failed: stack empty}} */ #pragma options align=reset |
52 | /* expected-warning {{#pragma pack(pop, ...) failed: stack empty}} */ #pragma pack(pop) |
53 | |
54 | |