gcc/testsuite/gcc.c-torture/execute/950704-1.c

   1 int errflag;
   2
   3 long long
   4 f (long long x, long long y)
   5 {
   6   long long r;
   7
   8   errflag = 0;
   9   r = x + y;
  10   if (x >= 0)
  11     {
  12       if ((y < 0) || (r >= 0))
  13         return r;
  14     }
  15   else
  16     {
  17       if ((y > 0) || (r < 0))
  18         return r;
  19     }
  20   errflag = 1;
  21   return 0;
  22 }
  23
  24 main ()
  25 {
  26   f (0, 0);
  27   if (errflag)
  28     abort ();
  29
  30   f (1, -1);
  31   if (errflag)
  32     abort ();
  33
  34   f (-1, 1);
  35   if (errflag)
  36     abort ();
  37
  38   f (0x8000000000000000LL, 0x8000000000000000LL);
  39   if (!errflag)
  40     abort ();
  41
  42   f (0x8000000000000000LL, -1LL);
  43   if (!errflag)
  44     abort ();
  45
  46   f (0x7fffffffffffffffLL, 0x7fffffffffffffffLL);
  47   if (!errflag)
  48     abort ();
  49
  50   f (0x7fffffffffffffffLL, 1LL);
  51   if (!errflag)
  52     abort ();
  53
  54   f (0x7fffffffffffffffLL, 0x8000000000000000LL);
  55   if (errflag)
  56     abort ();
  57
  58   exit (0);
  59 }