*** old/src/share/vm/opto/macro.cpp	Thu Dec 29 17:55:45 2011
--- new/src/share/vm/opto/macro.cpp	Thu Dec 29 17:55:45 2011

*** 1501,1513 ****
--- 1501,1520 ----
    }
  
    // if we generated only a slow call, we are done
    if (always_slow) {
      // Now we can unhook i_o.
+     if (result_phi_i_o->outcnt() > 1) {
        call->set_req(TypeFunc::I_O, top());
      if (result_phi_i_o->outcnt() == 0)
!       _igvn.remove_dead_node(result_phi_i_o);
+     } else {
!       assert(result_phi_i_o->unique_ctrl_out() == call, "");
+       // Case of new array with negative size known during compilation.
+       // AllocateArrayNode::Ideal() optimization disconnect unreachable
+       // following code since call to runtime will throw exception.
+       // As result there will be no users of i_o after the call.
+       // Leave i_o attached to this call to avoid problems in preceding graph.
+     }
      return;
    }
  
  
    if (_fallthroughcatchproj != NULL) {