[Bug libstdc++/88888] Cannot construct filesystem::path from variable length array

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88888

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(The versions passing i as the length will do the wrong thing here, because the
array actually contains the empty string "", but I'm just showing examples of
valid syntax that work with VLAs).