1  /* { dg-do run } */
       2  /* { dg-options "-O -fstrict-aliasing -fgcse" } */
       3  
       4  /* PR optimization/10087 */
       5  /* Contributed by Peter van Hoof <p.van-hoof@qub.ac.uk> */
       6   
       7  extern void abort(void);
       8  
       9  void b(int*,int*);
      10      
      11  typedef struct {
      12      double T1;
      13      char c;
      14  } S;
      15  
      16  int main(void)
      17  {
      18    int i,j;
      19    double s;
      20  
      21    S x1[2][2];
      22    S *x[2] = { x1[0], x1[1] };
      23    S **E = x;
      24  
      25    for( i=0; i < 2; i++ )
      26      for( j=0; j < 2; j++ )
      27        E[j][i].T1 = 1;
      28  
      29    for( i=0; i < 2; i++ )
      30      for( j=0; j < 2; j++ )
      31        s = E[j][i].T1;
      32  
      33    b(&j,&i);
      34    if (s != 1)
      35      abort ();
      36    return 0;
      37  }
      38  
      39  void b(int *i, int *j) {}