[Bug libstdc++/94164] [10 Regression] std::unintialized_fill_n fails to compile

[laurent.stacul at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94164

--- Comment #2 from Laurent Stacul <laurent.stacul at gmail dot com> ---
(In reply to Jonathan Wakely from comment #1)
> That's not an iterator.

Yes sure. I reduced my example to have the minimal example. I will add all de
needed requirement of an iterator if needed.