1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-dom2" } */
       3  
       4  extern int foo (void) __attribute__((pure));
       5  
       6  int bar()
       7  {
       8    int a = foo ();
       9    a += foo ();
      10    return a;
      11  }
      12  
      13  /* Check that we only have one call to foo.  */
      14  /* { dg-final { scan-tree-dump-times "foo" 1 "dom2" } } */