46 lines
1 KiB
C
46 lines
1 KiB
C
// RUN: %clang_cc1 -triple x86_64-apple-darwin9 %s -fsyntax-only -verify -ffreestanding
|
|
// expected-no-diagnostics
|
|
// <rdar://problem/10494810> and PR9560
|
|
// Check #pragma pack handling with bitfields.
|
|
|
|
#include <stddef.h>
|
|
#pragma pack(2)
|
|
|
|
struct s0 {
|
|
char f1;
|
|
unsigned f2 : 32;
|
|
char f3;
|
|
};
|
|
extern int check[sizeof(struct s0) == 6 ? 1 : -1];
|
|
|
|
struct s1 {
|
|
char f1;
|
|
unsigned : 0;
|
|
char f3;
|
|
};
|
|
extern int check[sizeof(struct s1) == 5 ? 1 : -1];
|
|
|
|
struct s2 {
|
|
char f1;
|
|
unsigned : 0;
|
|
unsigned f3 : 8;
|
|
char f4;
|
|
};
|
|
extern int check[sizeof(struct s2) == 6 ? 1 : -1];
|
|
|
|
struct s3 {
|
|
char f1;
|
|
unsigned : 0;
|
|
unsigned f3 : 16;
|
|
char f4;
|
|
};
|
|
extern int check[sizeof(struct s3) == 8 ? 1 : -1];
|
|
extern int check[offsetof(struct s3, f4) == 6 ? 1 : -1];
|
|
|
|
struct s4 {
|
|
char f1;
|
|
unsigned f2 : 8;
|
|
char f3;
|
|
};
|
|
extern int check[sizeof(struct s4) == 4 ? 1 : -1];
|
|
extern int check[offsetof(struct s4, f3) == 2 ? 1 : -1];
|