1 /* PR rtl-optimization/28634.  On targets with delayed branches,

     2    dbr_schedule could do the next iteration's addition in the

     3    branch delay slot, then subtract the value again if the branch

     4    wasn't taken.  This can lead to rounding errors.  */

     5 int x = -1;

     6 int y = 1;

     7 int

     8 main (void)

     9 {

    10   while (y > 0)

    11     y += x;

    12   if (y != x + 1)

    13     abort ();

    14   exit (0);

    15 }