[Bug c++/78282] [6/7 Regression] Overload resolution failure, in parameter pack expansion, inside a template class

[kholdstare0.0 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78282

--- Comment #1 from Alexander Kondratskiy <kholdstare0.0 at gmail dot com> ---
Created attachment 40010
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40010&action=edit
The source before the preprocessing step