[Bug tree-optimization/122029] False positive -O2 -Wmaybe-uninitialized with two member std::function objects

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122029

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note a simple change to the constructor of C helps:
    C(const Func_t &func) : m_func2(func) {}

It looks like there are missed optimization here ...