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

   1 // RUN: %clang_cc1 -triple i386-apple-darwin9 -fsyntax-only -verify %s
   2 // expected-no-diagnostics
   3
   4 #pragma pack(push, 1)
   5 struct s0 {
   6   char f0;
   7   int  f1 __attribute__((aligned(4)));
   8 };
   9 extern int a[sizeof(struct s0) == 5 ? 1 : -1];
  10 #pragma pack(pop)
  11
  12 struct __attribute__((packed)) s1 {
  13   char f0;
  14   int  f1 __attribute__((aligned(4)));
  15 };
  16 extern int a[sizeof(struct s1) == 8 ? 1 : -1];
  17
  18 #pragma options align=packed
  19 struct s2 {
  20   char f0;
  21   int  f1 __attribute__((aligned(4)));
  22 };
  23 extern int a[sizeof(struct s2) == 5 ? 1 : -1];
  24 #pragma options align=reset
  25
  26 #pragma pack(1)
  27 struct s3_0 { unsigned char f0; unsigned int f1; };
  28 int t3_0[sizeof(struct s3_0) == 5 ? 1 : -1];
  29 #pragma options align=reset
  30 struct s3_1 { unsigned char f0; unsigned int f1; };
  31 int t3_1[sizeof(struct s3_1) == 8 ? 1 : -1];