src/share/vm/ci/ciMethodData.cpp

*** 79,89 ****
  }
  
  void ciMethodData::load_extra_data() {
    MethodData* mdo = get_MethodData();
  
!   MutexLocker(mdo->extra_data_lock());
  
    // speculative trap entries also hold a pointer to a Method so need to be translated
    DataLayout* dp_src  = mdo->extra_data_base();
    DataLayout* end_src = mdo->args_data_limit();
    DataLayout* dp_dst  = extra_data_base();
--- 79,89 ----
  }
  
  void ciMethodData::load_extra_data() {
    MethodData* mdo = get_MethodData();
  
!   MutexLocker ml(mdo->extra_data_lock());
  
    // speculative trap entries also hold a pointer to a Method so need to be translated
    DataLayout* dp_src  = mdo->extra_data_base();
    DataLayout* end_src = mdo->args_data_limit();
    DataLayout* dp_dst  = extra_data_base();
*** 118,130 ****
      case DataLayout::bit_data_tag:
        break;
      case DataLayout::no_tag:
      case DataLayout::arg_info_data_tag:
        // An empty slot or ArgInfoData entry marks the end of the trap data
!       return;
      default:
!       fatal("bad tag = %d", dp_dst->tag());
      }
    }
  }
  
  void ciMethodData::load_data() {
--- 118,132 ----
      case DataLayout::bit_data_tag:
        break;
      case DataLayout::no_tag:
      case DataLayout::arg_info_data_tag:
        // An empty slot or ArgInfoData entry marks the end of the trap data
!       {
!         return; // Need a block to avoid SS compiler bug
!       }
      default:
!       fatal("bad tag = %d", tag);
      }
    }
  }
  
  void ciMethodData::load_data() {