<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/141381>141381</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            False-positive `readability-convert-member-functions-to-static` when using explicit object parameters
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          chriselrod
      </td>
    </tr>
</table>

<pre>
    ```c++
#include <print>
#include <string>

struct Hello {
  std::string str_;

  void hello(this Hello &self) { std::println("Hello, {0}!", self.str_); }
};

int main() {
 Hello hi{"world"};
  hi.hello();
  return 0;
}
```
Saving this file as `explicit_object_param.cpp`, I get
```
$ clang-tidy --checks=readability-convert-member-functions-to-static explicit_object_param.cpp -- --std=c++23
1 warning generated.
/home/chriselrod/Documents/progwork/cxx/misc/explicit_object_param.cpp:7:8: warning: method 'hello' can be made static [readability-convert-member-functions-to-static]
    7 |   void hello(this Hello &self) { std::println("Hello, {0}!", self.str_); }
      | ^
      |   static 
```

Of course, `static` is illegal there
```
explicit_object_param.cpp:7:21: error: an explicit object parameter cannot appear in a static function
    7 |   static void hello(this Hello &self) { std::println("Hello, {0}!", self.str_); }
 |   ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
1 error generated.
```
</pre>
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