src/share/vm/runtime/thread.cpp

*** 1450,1460 ****
    _should_post_on_exceptions_flag = JNI_FALSE;
    _jvmti_get_loaded_classes_closure = NULL;
    _interp_only_mode    = 0;
    _special_runtime_exit_condition = _no_async_condition;
    _pending_async_exception = NULL;
-   _is_compiling = false;
    _thread_stat = NULL;
    _thread_stat = new ThreadStatistics();
    _blocked_on_compilation = false;
    _jni_active_critical = 0;
    _do_not_unlock_if_synchronized = false;
--- 1450,1459 ----
*** 3235,3244 ****
--- 3234,3244 ----
    _task  = NULL;
    _queue = queue;
    _counters = counters;
    _buffer_blob = NULL;
    _scanned_nmethod = NULL;
+   _compiler = NULL;
  
  #ifndef PRODUCT
    _ideal_graph_printer = NULL;
  #endif
  }