CALL_FCALL        383 vm_eval.c          return rb_call(CLASS_OF(recv), recv, mid, argc, argv, CALL_FCALL);
CALL_FCALL        406 vm_eval.c          return rb_call(CLASS_OF(recv), recv, mid, n, argv, CALL_FCALL);
CALL_FCALL        412 vm_eval.c          return rb_call(CLASS_OF(recv), recv, mid, argc, argv, CALL_FCALL);
CALL_FCALL        646 vm_eval.c      		   arg->argc, arg->argv, CALL_FCALL);
CALL_FCALL        665 vm_eval.c          return rb_call(CLASS_OF(obj), obj, idEach, 0, 0, CALL_FCALL);