<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/84810>84810</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [consteval] Inside consteval member function: use of 'this' pointer is only allowed within the evaluation of a call to a 'constexpr' member function
        </td>
    </tr>

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

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

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

<pre>
    The following snippet:

```
template<int Id>
struct SymbolRef { };

struct Symbol {
  int const id_;

  consteval Symbol() : id_(1) { }

  template<int Id>
  consteval operator SymbolRef<Id>() const
  {
    return SymbolRef<this->id_>{};
 }
}
```

results in the compile error:

```
<source>:12:22: error: non-type template argument is not a constant expression
   12 |     return SymbolRef<this->id_>{};
 |                      ^~~~~~~~~
<source>:12:22: note: use of 'this' pointer is only allowed within the evaluation of a call to a 'constexpr' member function
1 error generated.
```

g++ compiles this without errors.

I think the code is well-formed?
</pre>
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