LJ_GC_WEAK        180 lj_gc.c        	t->marked = (uint8_t)((t->marked & ~LJ_GC_WEAK) | weak);
LJ_GC_WEAK        186 lj_gc.c          if (weak == LJ_GC_WEAK)  /* Nothing to mark if both keys/values are weak. */
LJ_GC_WEAK        439 lj_gc.c            lua_assert((t->marked & LJ_GC_WEAK));