**Packages**
* `"react": "^16.13.1"`
* `"eslint-plugin-react-hooks": "^4.0.8"`

The issue #18819 still happens with `eslint-plugin-react-hooks@4.0.8`.

Using the example code from the other issue gives the following errors:

![image](https://user-images.githubusercontent.com/37122343/90794940-59d9a980-e305-11ea-9ec0-98f69b41c280.png)

![image](https://user-images.githubusercontent.com/37122343/90795019-770e7800-e305-11ea-92b8-b64407b0b22c.png)


return function(arg) {
        if (map.has(arg)) {
          
          
          return map.get(arg);
        }
        const result = fn(arg);
        map.set(arg, result);
        return result;
      };
    }
    return {
      CallExpression: visitCallExpression,
    };
    function visitCallExpression(node) {