[Bug c++/105476] internal compiler error: in build_deduction_guide

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105476

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to pavlick from comment #2)
> One moment, i will do reduction.

I'm almost done.