1  /* PR tree-optimization/48739 */
       2  /* { dg-do compile } */
       3  /* { dg-require-effective-target pthread } */
       4  /* { dg-options "-O1 -ftree-parallelize-loops=2 -fno-tree-dominator-opts" } */
       5  
       6  extern int g;
       7  extern void bar (void);
       8  
       9  int
      10  foo (int x)
      11  {
      12    int a, b, *c = (int *) 0;
      13    for (a = 0; a < 10; ++a)
      14      {
      15        bar ();
      16        for (b = 0; b < 5; ++b)
      17  	{
      18  	  x = 0;
      19  	  c = &x;
      20  	  g = 1;
      21  	}
      22      }
      23    *c = x;
      24    for (x = 0; x != 10; x++)
      25      ;
      26    return g;
      27  }