---

This section details on the original issue you should resolve

<issue_title>"Introduce local" generates invalid code for function pointer types</issue_title>
<issue_description>Version Used: VS 18.0.0 Insiders [11123.170]

Steps to Reproduce:
Invoke the lightbulb menu at the marked location and select "Introduce local for 'field'".

unsafe class C
{
    public delegate* managed<void> D
    {
        get
        {
            return field$$;
        }
    }
}

Expected Behavior:
Code similar to this is generated:

public delegate* managed<void> D
{
    get
    {
        delegate*<void> v = field;
        return v;
    }
}

Actual Behavior:
This code is generated, which is syntactically invalid (it appears as if the type name is chosen as the name of the local):

public delegate* managed<void> D
{
    get
    {
        delegate*<void> delegate*<void> = field;
        return delegate*<void>;
    }
}

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