[Bug c++/123955] ‘Reference to void’ error for C++20 partial specialization of class template with void

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123955

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |diagnostic

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
See Patrick's comments at Bug 123112 which say that GCC and Clang trunk are
correct.

So this is a diagnostic bug. We should say where the reference to void gets
formed.