1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  const char buf[40] = "test";
       5  void test (int x)
       6  {
       7    if (__builtin_strlen (buf + x) > 4)
       8      __builtin_abort ();
       9  }
      10  
      11  /* { dg-final { scan-tree-dump-not "abort" "optimized" } } */