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    <head>
      <base href="https://bugs.llvm.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Defaulted consteval default constructor that performs no initialization is not rejected"
   href="https://bugs.llvm.org/show_bug.cgi?id=51560">51560</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Defaulted consteval default constructor that performs no initialization is not rejected
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Keywords</th>
          <td>accepts-invalid
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>C++2a
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>johelegp@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>blitzrakete@gmail.com, erik.pilkington@gmail.com, johelegp@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
          </td>
        </tr></table>
      <p>
        <div>
        <pre>See <a href="https://godbolt.org/z/Gc4MTfdr7">https://godbolt.org/z/Gc4MTfdr7</a>.
```C++
struct X{
  int i;
  consteval X() = default;
  // consteval X() {}
};
int main () {
    auto x = X();
    (void)x;
}
```

See also <a href="https://eel.is/c++draft/class.default.ctor#4">https://eel.is/c++draft/class.default.ctor#4</a>, particularly
<a href="https://eel.is/c++draft/class.default.ctor#4.sentence-3">https://eel.is/c++draft/class.default.ctor#4.sentence-3</a>:
<span class="quote">> If that user-written default constructor would be ill-formed, the program is ill-formed.</span ></pre>
        </div>
      </p>


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