1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-dse1" } */
       3  
       4  int glob1, glob2;
       5  
       6  int foo1 (void)
       7  {
       8    glob1 = 0;
       9    glob2 = 1;
      10    glob1 = 2;
      11    glob2 = 3;
      12    return glob1 + glob2;
      13  }
      14  
      15  
      16  
      17  /* There should only be one assignment to glob1 and glob2, the final
      18     return statement should just return a constant.  */
      19  /* { dg-final { scan-tree-dump-times "glob1 = " 1 "dse1"} } */
      20  /* { dg-final { scan-tree-dump-times "glob2 = " 1 "dse1"} } */
      21  /* { dg-final { scan-tree-dump-times "return 5" 1 "dse1"} } */
      22