llvm-project/clang/test/Sema/pragma-align-packed.c

32 lines
797 B
C

// RUN: %clang_cc1 -triple i386-apple-darwin9 -fsyntax-only -verify %s
// expected-no-diagnostics
#pragma pack(push, 1)
struct s0 {
char f0;
int f1 __attribute__((aligned(4)));
};
extern int a[sizeof(struct s0) == 5 ? 1 : -1];
#pragma pack(pop)
struct __attribute__((packed)) s1 {
char f0;
int f1 __attribute__((aligned(4)));
};
extern int a[sizeof(struct s1) == 8 ? 1 : -1];
#pragma options align=packed
struct s2 {
char f0;
int f1 __attribute__((aligned(4)));
};
extern int a[sizeof(struct s2) == 5 ? 1 : -1];
#pragma options align=reset
#pragma pack(1)
struct s3_0 { unsigned char f0; unsigned int f1; };
int t3_0[sizeof(struct s3_0) == 5 ? 1 : -1];
#pragma options align=reset
struct s3_1 { unsigned char f0; unsigned int f1; };
int t3_1[sizeof(struct s3_1) == 8 ? 1 : -1];