1  // PR rtl-optimization/92430
       2  // { dg-do compile }
       3  // { dg-options "-Os -fno-if-conversion -fno-tree-dce -fno-tree-loop-optimize -fno-tree-vrp" }
       4  
       5  int eb, ko;
       6  
       7  void
       8  e9 (int pe, int lx)
       9  {
      10    int ir;
      11  
      12    for (ir = 0; ir < 1; ++ir)
      13      {
      14        for (ko = 0; ko < 1; ++ko)
      15          {
      16            for (eb = 0; eb < 1; ++eb)
      17              ko += pe;
      18  
      19            for (ko = 0; ko < 1; ++ko)
      20              ;
      21          }
      22  
      23        pe = ir = lx;
      24      }
      25  }