gcc/testsuite/gcc.dg/bitfld-15.c

   1 /* { dg-do compile } */
   2 /* Remove pedantic.  Allow the GCC extension to use char for bitfields.  */
   3 /* { dg-options "" } */
   4 /* { dg-options "-mno-ms-bitfields" { target i?86-*-netware } } */
   5 /* { dg-options "-mno-ms-bitfields -Wno-packed-bitfield-compat" { target { i?86-*-mingw* x86_64-*-mingw* } } } */
   6
   7 struct t
   8 {
   9   char a:4;
  10   char b:8;
  11   char c:4;
  12 } __attribute__ ((packed)); /* { dg-message "note: offset of packed bit-field 'b' has changed in GCC 4.4" "" { target pcc_bitfield_type_matters } } */
  13
  14 int assrt[sizeof (struct t) == 2 ? 1 : -1];