[Bug c++/91364] Implement P0388R4: Permit conversions to arrays of unknown bound

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91364

--- Comment #10 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
(In reply to Will Wray from comment #7)
> Fails to match for variadic arguments. Reopen or file a new bug?

Definitely a new bug, please.