| // RUN: clang -triple i686-apple-darwin9 %s -fsyntax-only -verify |
| |
| #include <stddef.h> |
| |
| #pragma pack(4) |
| |
| // Baseline |
| struct s0 { |
| char f0; |
| int f1; |
| }; |
| extern int a0[offsetof(struct s0, f1) == 4 ? 1 : -1]; |
| |
| #pragma pack(push, 2) |
| struct s1 { |
| char f0; |
| int f1; |
| }; |
| extern int a1[offsetof(struct s1, f1) == 2 ? 1 : -1]; |
| #pragma pack(pop) |
| |
| // Test scope of definition |
| |
| #pragma pack(push, 2) |
| struct s2_0 { |
| #pragma pack(pop) |
| char f0; |
| int f1; |
| }; |
| extern int a2_0[offsetof(struct s2_0, f1) == 2 ? 1 : -1]; |
| |
| struct s2_1 { |
| char f0; |
| #pragma pack(push, 2) |
| int f1; |
| #pragma pack(pop) |
| }; |
| extern int a2_1[offsetof(struct s2_1, f1) == 4 ? 1 : -1]; |
| |
| struct s2_2 { |
| char f0; |
| int f1; |
| #pragma pack(push, 2) |
| }; |
| #pragma pack(pop) |
| extern int a2_2[offsetof(struct s2_2, f1) == 4 ? 1 : -1]; |
| |
| struct s2_3 { |
| char f0; |
| #pragma pack(push, 2) |
| struct s2_3_0 { |
| #pragma pack(pop) |
| int f0; |
| } f1; |
| }; |
| extern int a2_3[offsetof(struct s2_3, f1) == 2 ? 1 : -1]; |
| |
| struct s2_4 { |
| char f0; |
| struct s2_4_0 { |
| int f0; |
| #pragma pack(push, 2) |
| } f1; |
| #pragma pack(pop) |
| }; |
| extern int a2_4[offsetof(struct s2_4, f1) == 4 ? 1 : -1]; |
| |
| #pragma pack(1) |
| struct s3_0 { |
| char f0; |
| int f1; |
| }; |
| #pragma pack() |
| struct s3_1 { |
| char f0; |
| int f1; |
| }; |
| extern int a3_0[offsetof(struct s3_0, f1) == 1 ? 1 : -1]; |
| extern int a3_1[offsetof(struct s3_1, f1) == 4 ? 1 : -1]; |
| |
| // pack(0) is like pack() |
| #pragma pack(1) |
| struct s4_0 { |
| char f0; |
| int f1; |
| }; |
| #pragma pack(0) |
| struct s4_1 { |
| char f0; |
| int f1; |
| }; |
| extern int a4_0[offsetof(struct s4_0, f1) == 1 ? 1 : -1]; |
| extern int a4_1[offsetof(struct s4_1, f1) == 4 ? 1 : -1]; |