gcc/testsuite/gcc.c-torture/execute/931018-1.c

unsigned int a[0x1000];
extern unsigned long v;

main ()
{
  f (v);
  f (v);
  exit (0);
}

f (a)
     unsigned long a;
{
  if (a != 0xdeadbeefL)
    abort();
}

const unsigned long v = 0xdeadbeefL;