gcc/testsuite/gcc.c-torture/execute/20030606-1.c

   1 void abort (void);
   2 void exit (int);
   3
   4 int * foo (int *x, int b)
   5 {
   6
   7   *(x++) = 55;
   8   if (b)
   9     *(x++) = b;
  10
  11   return x;
  12 }
  13
  14 int
  15 main(void)
  16 {
  17   int a[5];
  18
  19   __builtin_memset (a, 1, sizeof (a));
  20
  21   if (foo(a, 0) - a != 1 || a[0] != 55 || a[1] != a[4])
  22     abort();
  23
  24   __builtin_memset (a, 1, sizeof (a));
  25
  26   if (foo(a, 2) - a != 2 || a[0] != 55 || a[1] != 2)
  27     abort();
  28
  29   exit (0);
  30 }