1  /* { dg-do compile } */ 
       2  /* { dg-options "-O2 -fdump-tree-reassoc1" } */
       3  
       4  unsigned int
       5  foo(unsigned int a, unsigned int b, unsigned int c, unsigned int d,
       6      unsigned int e, unsigned int f, unsigned int g, unsigned int h)
       7  {
       8    /* Should be transformed into a + c + d + e + g + 15 */
       9    unsigned int i = (a + 9) + (c + d);
      10    unsigned int j = (e + 4) + (2 + g);
      11    e = i + j;
      12    return e;
      13  }
      14  
      15  /* { dg-final { scan-tree-dump-times "\\\+ 15" 1 "reassoc1"} } */