1  /* { dg-do compile } */
       2  /* { dg-require-effective-target vect_simd_clones } */
       3  
       4  int m;
       5  short int n;
       6  
       7  __attribute__ ((simd)) int
       8  foo (void)
       9  {
      10    m += n;
      11    m += n;
      12  }
      13  
      14  /* { dg-final { scan-tree-dump-not "widen_sum" "vect" } } */