1  /* { dg-do run } */
       2  /* { dg-options "-O3 -floop-unroll-and-jam --param unroll-jam-min-percent=0" } */
       3  int x[1024], y[1024];
       4  
       5  void __attribute__((noipa)) foo ()
       6  {
       7    for (int i = 0; i < 1024; ++i)
       8      {
       9        x[i] = 0;
      10        for (int j = 0; j < 1024; ++j)
      11          if (!y[j])
      12            x[i] = 1;
      13      }
      14  }
      15  
      16  int main()
      17  {
      18    y[1023] = 1;
      19    foo ();
      20    if (x[1] != 1)
      21      __builtin_abort ();
      22    return 0;
      23  }