gcc/testsuite/gcc.dg/pr36093.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "small alignment" { pdp11-*-* } } */
   3
   4 extern void abort (void);
   5
   6 typedef struct Bar {
   7       char c[129];
   8 } Bar __attribute__((__aligned__(128)));
   9
  10 typedef struct Foo {
  11       Bar bar[4];       /* { dg-error "size of array element is not a multiple of its alignment" } */
  12 } Foo;
  13
  14 Foo foo[4];
  15
  16 int main()
  17 {
  18    int i, j;
  19    Foo *foop = &foo[0];
  20
  21    for (i=0; i < 4; i++) {
  22       Bar *bar = &foop->bar[i];
  23       for (j=0; j < 129; j++) {
  24          bar->c[j] = 'a' + i;
  25       }
  26    }
  27
  28    if (foo[0].bar[3].c[128] != 'd')
  29      abort ();
  30    return 0;
  31 }