[Bug c++/88355] [c++20] Placeholder non-type template argument type deduction fails with custom types

[emmanuel.le-tr...@cnrs-orleans.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88355

--- Comment #3 from Emmanuel Le Trong <emmanuel.le-tr...@cnrs-orleans.fr> ---
This bug has disappeared, both tests above compile with version 10.0.0
20200108.