1  /* { dg-do compile { target fgraphite } } */
       2  /* { dg-options "-O -floop-parallelize-all -ftree-parallelize-loops=2 -fno-tree-dce" } */
       3  
       4  void
       5  foo (int x)
       6  {
       7    int a[2];
       8    int b, c = 0;
       9  
      10    for (b = 0; b < 2; ++b)
      11      a[b] = 0;
      12    for (b = 0; b < 2; ++b)
      13      a[b] = 0;
      14  
      15    while (c < 1)
      16      while (x < 1)
      17        ++x;
      18  }