**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)


function useHook() { useState(); }
      const whatever = function useHook() { useState(); };
      const useHook1 = () => { useState(); };
      let useHook2 = () => useState();
      useHook2 = () => { useState(); };
      ({useHook: () => { useState(); }});
      ({useHook() { useState(); }});
      const {useHook3 = () => { useState(); }} = {};
      ({useHook = () => { useState(); }} = {});
      Namespace.useHook = () => { useState(); };
    `,
    `
      // Valid because hooks can call hooks.
      function useHook() {
        useHook1();
        useHook2();
      }
    `,
    `
      // Valid because hooks can call hooks.
      function createHook() {
        return function useHook() {
          useHook1();
          useHook2();
        };
      }
    `,
    `
      // Valid because hooks can call hooks.
      function useHook() {