th->state_not_stopped_waitcount = 0;
#endif
th->state=STATE_RUNNING;
-#ifdef LISP_FEATURE_STACK_GROWS_DOWNWARD_NOT_UPWARD
+#ifdef ALIEN_STACK_GROWS_DOWNWARD
th->alien_stack_pointer=((void *)th->alien_stack_start
+ ALIEN_STACK_SIZE-N_WORD_BYTES);
#else