[Bug c++/95094] alignof(reference_to_type) doesn't return alignof(referenced_type) as it should by the standard

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95094

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
But this doesn't seem like a very useful behaviour for the extension.