267       gco2lcl(o)->gclist = g->gray;  in reallymarkobject()
268       g->gray = o;  in reallymarkobject()
272       gco2ccl(o)->gclist = g->gray;  in reallymarkobject()
273       g->gray = o;  in reallymarkobject()
277       linktable(gco2t(o), &g->gray);  in reallymarkobject()
281       gco2th(o)->gclist = g->gray;  in reallymarkobject()
282       g->gray = o;  in reallymarkobject()
286       gco2p(o)->gclist = g->gray;  in reallymarkobject()
287       g->gray = o;  in reallymarkobject()
337   g->gray = g->grayagain = NULL;  in restartcollection()
522   GCObject *o = g->gray;  in propagatemark()
528       g->gray = h->gclist;  /* remove from 'gray' list */  in propagatemark()
534       g->gray = cl->gclist;  /* remove from 'gray' list */  in propagatemark()
540       g->gray = cl->gclist;  /* remove from 'gray' list */  in propagatemark()
546       g->gray = th->gclist;  /* remove from 'gray' list */  in propagatemark()
555       g->gray = p->gclist;  /* remove from 'gray' list */  in propagatemark()
566   while (g->gray) propagatemark(g);  in propagateall()
571   lua_assert(g->gray == NULL);  /* no grays left */  in propagatelist()
572   g->gray = l;  in propagatelist()
1051       if (g->gray) {  in singlestep()