1  /* { dg-do compile } */ 
       2  /* { dg-options "-O1 -fdump-tree-optimized" } */
       3  
       4  extern void link_error (void);
       5  
       6  /* Check for dead stores to an array.  */
       7  
       8  void foo (int testarray[])
       9  {
      10    testarray[0] = 0;
      11    testarray[0]++;
      12    if (testarray[0] != 1)
      13      link_error ();
      14  }
      15  
      16  /* There should be only one reference to "testarray" and one in the function header.  */
      17  /* { dg-final { scan-tree-dump-times "testarray" 2 "optimized" } } */
      18  
      19  /* There should be no link_error calls.  */
      20  /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */