gcc/testsuite/gcc.target/rx/packed-struct.c

   1 /* { dg-do compile } */
   2
   3 struct unpacked
   4 {
   5   int i;
   6   char c;
   7 };
   8
   9 #pragma pack(1)
  10
  11 struct packed
  12 {
  13   int i;
  14   char c;
  15 };
  16
  17 struct packed_contains_unpacked
  18 {
  19   char c;
  20   struct unpacked uuuu;  /* This should generate an error message.  */
  21 };                      /* { dg-error "unpacked structure/union inside a packed struct" "XFAILed until patch for generic GCC structure layout code is accepted" { xfail rx-*-* } } */
  22
  23 union contains_unpacked
  24 {
  25   char c;
  26   struct unpacked uuuu;  /* This should not.  */
  27 };
  28
  29 struct packed_contains_packed
  30 {
  31   char c;
  32   struct packed ppppp;   /* This should not.  */
  33 };
  34
  35 #pragma pack()
  36
  37 struct unpacked_contains_packed
  38 {
  39   char c;
  40   struct packed p;
  41 };
  42
  43 struct unpacked_contains_unpacked
  44 {
  45   char c;
  46   struct unpacked u;
  47 };
  48
  49
  50 int s1 = sizeof (struct unpacked);
  51 int s2 = sizeof (struct packed);
  52 int s3 = sizeof (struct packed_contains_unpacked);
  53 int s4 = sizeof (struct packed_contains_packed);
  54 int s5 = sizeof (struct unpacked_contains_packed);
  55 int s6 = sizeof (struct unpacked_contains_unpacked);