gcc/testsuite/gcc.dg/pr53037-4.c

   1 /* PR c/53037.  */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O0" } */
   4
   5 int foo1 __attribute__((warn_if_not_aligned(8))); /* { dg-error "'warn_if_not_aligned' may not be specified for 'foo1'" } */
   6
   7 __attribute__((warn_if_not_aligned(8)))
   8 void
   9 foo2 (void) /* { dg-error "'warn_if_not_aligned' may not be specified for 'foo2'" } */
  10 {
  11 }
  12
  13 struct foo3
  14 {
  15   int i : 2 __attribute__((warn_if_not_aligned(8))); /* { dg-error "'warn_if_not_aligned' may not be specified for 'i'" } */
  16 };
  17
  18 typedef unsigned int __u32
  19   __attribute__((aligned(4),warn_if_not_aligned(8)));
  20
  21 struct foo4
  22 {
  23   __u32 i : 2; /* { dg-error "cannot declare bit-field 'i' with 'warn_if_not_aligned' type" } */
  24 };