lj_gc_step_jit     60 lj_gc.h        LJ_FUNC int LJ_FASTCALL lj_gc_step_jit(global_State *g, MSize steps);
lj_gc_step_jit    170 lj_ircall.h      _(ANY,	lj_gc_step_jit,		2,  FS, NIL, CCI_L) \