**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 renderItem() {
          useState();
        }
        function List(props) {
          return props.items.map(renderItem);
        }
      `,
      errors: [functionError('useState', 'renderItem')],
    },
    {
      code: `
        // Currently invalid because it violates the convention and removes the "taint"
        // from a hook. We *could* make it valid to avoid some false positives but let's
        // ensure that we don't break the "renderItem" and "normalFunctionWithConditionalHook"
        // cases which must remain invalid.
        function normalFunctionWithHook() {
          useHookInsideNormalFunction();
        }
      `,
      errors: [
        functionError('useHookInsideNormalFunction', 'normalFunctionWithHook'),
      ],
    },
    {
      code: `
        // Invalid because it's dangerous and might not warn otherwise.
        // This *must* be invalid.
        function normalFunctionWithConditionalHook() {
          if (cond) {
            useHookInsideNormalFunction();