<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/55065>55065</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            clang-13/14 crash when using virual consteval functions
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          ArXen42
      </td>
    </tr>
</table>

<pre>
    ### How to reproduce

```c++
struct Base
{
        consteval virtual int Get() const = 0;
};

struct Derived : Base
{
        consteval int Get() const override
        {
                return 42;
        }
};

int main()
{
        constexpr Derived a;

        auto val = a.Get();
        return 0;
}
```

Compiler explorer link (clang-14, -std=c++20, no optimizations or other options):
https://godbolt.org/z/vhqGqvf1z

Replacing 'consteval' with 'constexpr', moving `a` creation out of the function scope or removing inheritance seems to fix this compiler crash.

Attached cpp/sh crash reproduction files from my local compiler (clang 13.0.1-2 from Arch Linux repos):
[main-fee9e9..zip](https://github.com/llvm/llvm-project/files/8550155/main-fee9e9.zip)
</pre>
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