warning: implicit dereference will not access object of type

[gzliurc]

I compile source in wsl"gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)", compiler warn that

/e/Releases/cmake-librepo/ubn18.04/include/rocket/rocket.hpp: In member function ‘void rocket::detail::connection_baserocket::thread_safe_policy::disconnect()’:
/e/Releases/cmake-librepo/ubn18.04/include/rocket/rocket.hpp:2074:81: warning: implicit dereference will not access object of type ‘volatile rocket::intrusive_ptr<rocket::detail::connection_baserocket::thread_safe_policy >’ in statement
static_cast<intrusive_ptr<connection_base> volatile&>(prev) = nullptr;