1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-dse1-details -w" } */
       3  
       4  char z[32];
       5  
       6  
       7  int
       8  foo(void)
       9  {
      10    memset (z, 0, 16);
      11    memset (z+8, 0, 24);
      12  }
      13  
      14  /* { dg-final { scan-tree-dump "memset .&z, 0, 8." "dse1" } } */
      15  
      16