[Bug libstdc++/105375] std::packaged_task has no deduction guide.

[raldone01 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105375

--- Comment #1 from raldone01 <raldone01 at gmail dot com> ---
Created attachment 52866
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52866&action=edit
main.cpp