1  /* PR tree-optimization/29330 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O -ftree-loop-linear -std=gnu99" } */
       4  
       5  int buf[2][2][2][2];
       6  
       7  void
       8  f (void)
       9  {
      10    for (int a = 0; a < 2; ++a)
      11      for (int b = 0; b < 2; ++b)
      12        for (int c = 0; c < 2; ++c)
      13  	for (int d = 0; d < 2; ++d)
      14  	  buf[a][b][c][d] = 0;
      15  }