OP_UNM            643 lib/lua/lcode.c     case OP_UNM: r = luai_numunm(v1); break;
OP_UNM            657 lib/lua/lcode.c     int o2 = (op != OP_UNM && op != OP_LEN) ? luaK_exp2RK(fs, e2) : 0;
OP_UNM            696 lib/lua/lcode.c       codearith(fs, OP_UNM, e, &e2);
OP_UNM            514 lib/lua/lvm.c        case OP_UNM: {