reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
// 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];