[Bug middle-end/81812] [7/8 Regression] Empty virtual function fails to compile

[paolo.carlini at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81812

Paolo Carlini <paolo.carlini at oracle dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |paolo.carlini at oracle dot com

--- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Looks like this is fixed for 8 and I'd like to updated the bug to reflect that
and possibly add the testcase. Any idea which change fixed it and whether could
be backported to 7?