eris: genlt now can compare any two objects, but it returns 'equal' for nonsortable types

luprex/eris-master/src/lapi.c

@@ -329,7 +329,7 @@ LUA_API int lua_genlt (lua_State *L, int index1, int index2) {
   } else if (t1 == LUA_TBOOLEAN) {
     i = bvalue(o1) < bvalue(o2);
   } else {
-    luaG_ordererror(L, o1, o2);
+    return 0;
   }
   lua_unlock(L);
   return i;