1  /* { dg-do compile } */
       2  /* { dg-options "-O -ftrivial-auto-var-init=zero -fdump-tree-ccp1" } */
       3  
       4  int foo (int flag)
       5  {
       6    int i;
       7    if (flag)
       8      i = 1;
       9    return i;
      10  }
      11  
      12  /* { dg-final { scan-tree-dump "return 1;" "ccp1" } } */