1  /* { dg-do compile { target pthread } }  */
       2  /* { dg-options "-O2 -ftree-parallelize-loops=2 -fno-tree-dce -fno-tree-pre -fno-tree-vrp --param max-loop-header-insns=1" } */
       3  
       4  int __attribute__ ((noinline))
       5  lv (int tm)
       6  {
       7    (void) tm;
       8  
       9    return 0;
      10  }
      11  
      12  void
      13  o7 (int uu)
      14  {
      15    while (uu < 1)
      16      while (uu != 0)
      17        {
      18  	short int ca;
      19  
      20  	ca = lv (0);
      21  	(void) ca;
      22  	++uu;
      23        }
      24  
      25    lv (lv (0));
      26  }