1331 static void check_conflict (LexState *ls, struct LHS_assign *lh, expdesc *v) {  in check_conflict()  argument
1335   for (; lh; lh = lh->prev) {  /* check all previous assignments */  in check_conflict()
1336     if (vkisindexed(lh->v.k)) {  /* assignment to table field? */  in check_conflict()
1337       if (lh->v.k == VINDEXUP) {  /* is table an upvalue? */  in check_conflict()
1338         if (v->k == VUPVAL && lh->v.u.ind.t == v->u.info) {  in check_conflict()
1340           lh->v.k = VINDEXSTR;  in check_conflict()
1341           lh->v.u.ind.t = extra;  /* assignment will use safe copy */  in check_conflict()
1345         if (v->k == VLOCAL && lh->v.u.ind.t == v->u.var.ridx) {  in check_conflict()
1347           lh->v.u.ind.t = extra;  /* assignment will use safe copy */  in check_conflict()
1350         if (lh->v.k == VINDEXED && v->k == VLOCAL &&  in check_conflict()
1351             lh->v.u.ind.idx == v->u.var.ridx) {  in check_conflict()
1353           lh->v.u.ind.idx = extra;  /* previous assignment will use safe copy */  in check_conflict()
1375 static void restassign (LexState *ls, struct LHS_assign *lh, int nvars) {  in restassign()  argument
1377   check_condition(ls, vkisvar(lh->v.k), "syntax error");  in restassign()
1378   check_readonly(ls, &lh->v);  in restassign()
1381     nv.prev = lh;  in restassign()
1384       check_conflict(ls, lh, &nv.v);  in restassign()
1397       luaK_storevar(ls->fs, &lh->v, &e);  in restassign()
1402   luaK_storevar(ls->fs, &lh->v, &e);  in restassign()