src/share/vm/opto/parse2.cpp

*** 2280,2289 ****
--- 2280,2294 ----
        inc_sp(1);
        Node* null_ctl = top();
        b = null_check_oop(b, &null_ctl, true, true, true);
        assert(null_ctl->is_top(), "no null control here");
        dec_sp(1);
+     } else if (_gvn.type(b)->speculative_always_null() &&
+                !too_many_traps(Deoptimization::Reason_speculate_null_assert)) {
+       inc_sp(1);
+       b = null_assert(b);
+       dec_sp(1);
      }
      c = _gvn.transform( new CmpPNode(b, a) );
      do_ifnull(btest, c);
      break;