*** old/src/share/vm/opto/parse2.cpp	Mon Oct 20 15:57:55 2014
--- new/src/share/vm/opto/parse2.cpp	Mon Oct 20 15:57:55 2014

*** 931,940 ****
--- 931,943 ----
    Block* branch_block = successor_for_bci(target_bci);
    Block* next_block   = successor_for_bci(iter().next_bci());
  
    float cnt;
    float prob = branch_prediction(cnt, btest, target_bci);
+   if (method()->intrinsic_id() == vmIntrinsics::_class_cast) {
+     prob = PROB_UNLIKELY_MAG(3); // 0.001
+   }
    if (prob == PROB_UNKNOWN) {
      // (An earlier version of do_ifnull omitted this trap for OSR methods.)
  #ifndef PRODUCT
      if (PrintOpto && Verbose)
        tty->print_cr("Never-taken edge stops compilation at bci %d",bci());

*** 2221,2230 ****
--- 2224,2234 ----
      // If this is a backwards branch in the bytecodes, add Safepoint
      maybe_add_safepoint(iter().get_dest());
      a = null();
      b = pop();
      if (!_gvn.type(b)->speculative_maybe_null() &&
+         (method()->intrinsic_id() != vmIntrinsics::_class_cast) &&
          !too_many_traps(Deoptimization::Reason_speculate_null_check)) {
        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");