1  /* { dg-do compile } */ 
       2  /* { dg-options "-O2 -fdump-tree-reassoc1" } */
       3  
       4  int main(int a, int b, int c, int d, int e, int f, int g, int h)
       5  {
       6    /* Should be transformed into e = 20 */
       7    int i = (a + 9) + (c + 8);
       8    int j = (-c + 1) + (-a + 2);
       9  
      10    e = i + j;
      11    return e;
      12  }
      13  
      14  /* We can always re-associate to a final constant but the current
      15     implementation does not allow easy roll-back without IL changes.  */
      16  
      17  /* { dg-final { scan-tree-dump-times "= 20" 1 "reassoc1" { xfail *-*-* } } } */