1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  static const char f[3] = "?";
       5  
       6  int foo()
       7  {
       8    int i = 0;
       9    return f[i] != '?';
      10  }
      11  
      12  /* { dg-final { scan-tree-dump "return 0;" "optimized" } } */
      13