gcc/testsuite/gcc.c-torture/execute/alias-4.c

   1 /* { dg-require-alias "" } */
   2 int a = 1;
   3 extern int b __attribute__ ((alias ("a")));
   4 int c = 1;
   5 extern int d __attribute__ ((alias ("c")));
   6 main (int argc)
   7 {
   8   int *p;
   9   int *q;
  10   if (argc)
  11     p = &a, q = &b;
  12   else
  13     p = &c, q = &d;
  14   *p = 1;
  15   *q = 2;
  16   if (*p == 1)
  17     __builtin_abort ();
  18   return 0;
  19 }