gcc/testsuite/gcc.c-torture/execute/941021-1.c

   1 double glob_dbl;
   2
   3 f (pdbl, value)
   4      double *pdbl;
   5      double value;
   6 {
   7   if (pdbl == 0)
   8     pdbl = &glob_dbl;
   9
  10   *pdbl = value;
  11 }
  12
  13 main ()
  14 {
  15   f ((void *) 0, 55.1);
  16
  17   if (glob_dbl != 55.1)
  18     abort ();
  19   exit (0);
  20 }