gcc/testsuite/gcc.c-torture/execute/20060102-1.c

   1 extern void abort ();
   2
   3 int f(int x)
   4 {
   5   return (x >> (sizeof (x) * __CHAR_BIT__ - 1)) ? -1 : 1;
   6 }
   7
   8 volatile int one = 1;
   9 int main (void)
  10 {
  11   /* Test that the function above returns different values for
  12      different signs.  */
  13   if (f(one) == f(-one))
  14     abort ();
  15   return 0;
  16 }
  17