60 lines
1 KiB
C
60 lines
1 KiB
C
// RUN: %clang_cc1 -triple i686-apple-darwin9 %s -fsyntax-only -verify
|
|
// expected-no-diagnostics
|
|
|
|
#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)
|
|
|
|
#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];
|
|
|
|
void f() {
|
|
#pragma pack(push, 2)
|
|
struct s5_0 {
|
|
char f0;
|
|
struct s2_4_0 {
|
|
int f0;
|
|
} f1;
|
|
};
|
|
#pragma pack(pop)
|
|
extern int s5_0[offsetof(struct s5_0, f1) == 2 ? 1 : -1];
|
|
}
|