[Bug c++/104255] parsing function signature fails when it uses a function parameter outside of an unevaluated context

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104255

--- Comment #10 from Patrick Palka <ppalka at gcc dot gnu.org> ---
*** Bug 119434 has been marked as a duplicate of this bug. ***